Follow him on Twitter, Facebook and Instagram at @EmreKelly. The team also turned on the High-Gain Antenna, enabling downlink to Earth through the Deep Space Network using the Ka radio band. Researchers have explored this imprint back t Credit: NASA's Goddard Space Flight Center. is easy to spot in star trail images of the southern sky. Comet C/2021 A1 (Leonard) on December 21, 2021 from Rincon, Puerto Rico by Raymond Negron. Scientists say the pictures will change the way people see the universe. Webb has used as little propellant as possible for course corrections while it travels out to the realm of L2, to leave as much remaining propellant as possible for Webbs ordinary operations over its lifetime: station-keeping (small adjustments to keep Webb in its desired orbit) and momentum unloading (to counteract the effects of solar radiation pressure on the huge sunshield). In many countries, the December Solstice is considered an official change in season: for example the first day of winter in the North. He has also offered dozens of conferences related to asteroids and comets at the Arecibo Observatory. He loves public outreach and has published multiple astronomy articles for EarthSky, as well as for newspapers in Puerto Rico. the galactic plane near the right edge. } As the instruments meet pre-defined criteria for overall temperatures, the team is shutting off these heaters to allow the instruments to restart the months-long process of cooling to final temperatures. $('body').css('overflow','') This may not be the most exciting period of Webbs commissioning, but thats OK. We can take the time. You'd have to go back four years, to March of 2018, to find twilight skies with no bright planets. 2022 January 22: The Full Moon and the Dancer 2022 January 21: Young Star Jet MHO 2147 2022 January 20: NGC 7822 in Cepheus 2022 January 19: M31: The Andromeda Galaxy 2022 January 18: From Orion to the Southern Cross 2022 January 17: Chamaeleon Dark Nebulas 2022 January 16: A Retreating Thunderstorm at Sunset 2022 January 15: Galileo's Europa Watch live as NASA and SpaceX target 12:34 a.m. EST Thursday, March 2, for the launch of the Crew-6 mission from Florida's Kennedy Space Center with a team of three astronauts and a Russian cosmonaut. Editor: Gary Daines. Finding the Orion Nebula is easy on February nights, as the constellation Orion will be high in the south around 8 or 9 p.m. Look for the three stars of the hunter's belt, and then find the stars that hang below it forming Orion's sword. U.S. U. NASA Web $full.find('iframe').css({'height': h, 'width': w, 'min-width': '', 'max-width': ''}) Privacy Policy and Important Notices Credit: NASA. // console.log("received message", event) function receiveMessage(event){ January begins with a new moon on the 2nd. Current Moon Phase for south pole star in May. Live coverage of the deployment, from the Webb Mission Operations Center at the Space Telescope Science Institute in Baltimore, will stream on nasa.gov/live starting no earlier than 9 a.m. EST. Engineers first commanded actuators 126 devices that will move and shape the primary mirror segments, and six devices that will position the secondary mirror to verify that all are working as expected after launch. Our planets gravity will tweak Bennus path, making it a challenge to calculate its future trajectory. But, to our eyes, they appear to move slowly due to the large distances involved. The James Webb Space Telescope is the worlds largest, most powerful, and most complex space science telescope ever built. window.addEventListener("message", receiveMessage, false) At 12:34 a.m. } It will be the first object NIRCam sees when photons of light hit the instruments powered-on detectors. lunar phase. Your California Privacy Rights/Privacy Policy. Comet C/2021 A1 (Leonard) 2021s best and brightest comet is now in the evening sky for Northern Hemisphere observers. NASA and SpaceX previously tried to launch Crew-6 on Monday, Feb. 27, but an issue with the system that ignites the Falcon 9 rocket's Merlin main engines forced teams to stand down and troubleshoot. Seeking skywatching highlights in June 2020? From engineers to scientists to IT staff to graphic designers to administrative personnel (and more! So Comet Leonard is the best comet weve had this year. That's the nebula. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. Solar Dynamics Observatory (SDO) operates in a geosynchronous orbit around Earth to obtain a continuous view of the Sun. The timeline will be updated as major deployments resume. The Webb mission operations team has given the go-ahead to move forward with the extension of its starboard primary mirror panel. Moreover, at L2, Earth is far enough away that the roughly room-temperature heat radiating from it wont warm up Webb. Furthermore, to limit the amount of heat put into Webbs very cold mirrors from the actuator motors, each actuator can only be operated for a short period at a time. also slid into Earth's shadow Having left the evening skies last month, Venus is now rising before the Sun as the "Morning Star." I am so filled with pride for our team. Webb mission management decided this morning to pause deployment activities for today and allow the team to rest and prepare to begin Webb's sunshield tensioning tomorrow, Sunday, Jan. 2. (MTU) & The Space Coast's next high-profile mission, meanwhile, will be launched by a newcomer: Relativity Space is targeting no earlier than 1 p.m. Wednesday, March 8, for thefirst launch of its Terran rocketfrom Cape Canaveral Space Force Station's Launch Complex 16. The process will essentially create an image of 18 random, blurry points of light. near an apogee, That means it has observed some fascinating cosmic wonder every day of the year, including on your birthday. $('.webgl_module_container iframe').css({'height': "", 'width': '1px', 'max-width': '100%', 'min-width': '100%'}) This blog will be updated weekly, and sometimes more often. GSFC You can find out what image of space Nasa took on your birthday at the Nasa website, with a section dedicated to the Hubble's photos. So why send Webb to orbit Sun-Earth L2? Joining the pair in the southeastern sky will be Venus. Science news, great photos, sky alerts. And I know these stories were sailed way before me NASA projects that the. The animation archived on this page shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2017, at hourly intervals. By the time we get to instrument commissioning, we are going to have one hell of a telescope. } Each day a different image or photograph of our fascinating universe is Webb, welcome home! said NASA Administrator Bill Nelson. New year, new Moon; midnight meteors; and Mars rises. This animation shows the last 30 seconds of Cassini's X- and S-band radio signals as they disappeared from mission control on Sept. 15, 2017. Ground teams have now begun instructing the primary mirror segments and secondary mirror to move from their stowed-for-launch configuration, off of snubbers that kept them snug and safe from rattling from vibration. Source: Credit: NASA/JPL-Caltech. NASA Web Discover the cosmos! This video shows the intriguing Occator Crater on Ceres, home to the dwarf planet's brightest area. Last week, the Webb team began moving the observatorys individual mirror segments out of their launch positions. This animation, from Cassini's navigation team, shows the spacecraft's final orbits in 2016 and 2017. The Asteroid Watch dashboard tracks asteroids and comets that will make relatively close approaches to Earth. Something went wrong while submitting the form. Of all the unusual and different ways you could mark your birthday, finding out what was going on in space while you were celebrating down on Earth has to rank pretty highly. What did Hubble look at on your birthday? So keep watching the comet this week! Thus, those big 12.5-millimeter moves for each segment are split up into many, many short moves that happen one actuator at a time. The extension of Earth's axis of rotation to the south, it's Hubble takes pictures 24 hours a day, seven days a week so its built up an amazing cache of stunning imagery with Nasa celebrating its 30th anniversary in 2020 by releasing 365 days worth of pictures. And because L2 is a location of gravitational equilibrium, it is easy for Webb to maintain an orbit there. var $full = $('.webgl_module_container.full'); What's Up for January? Embed this resource by pasting the following code into your website: Managing Editor: Published: December 30, 2021. The quantity of fentanyl seized by Customs and Border Protection agents along the U.S.-Mexico border has increased from 2,633 pounds in fiscal year 2019 to 10,586 pounds two years later, and to 14,104 pounds in FY 2022. The meteors appear to radiate from the constellation Botes, which includes the bright star Arcturus. the year progresses in stripes beginning at the top. Today, she serves as Editor-in-Chief of this website. This visualziation shows the major fragments of comet Showmaker-Levy 9 colliding with Jupiter in 1994. That's what's up this week @NASA . Mag 2.6!? The South Celestial Pole Then compare the telescopic view five or 10 minutes later to detect the comets motion. Oops! Follow her onTwitter at @AlteredJamie. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says. Contact Emre Kelly at aekelly@floridatoday.com. That deployment is still expected to take place over at least two days. Hvis du ikke nsker, at vi og vores partnere skal bruge cookies og personlige data til disse andre forml, skal du klikke p Afvis alle. The sample was originally collected by the rover on Dec. 29, 2021, from a . Privacy Policy and Important Notices. NASA.gov brings you the latest images, videos and news from America's space agency. In what will be SpaceX's third flight of 2022, the company is set to loft 49 Starlink satellites into space on a Falcon 9 rocket from NASA's Launch Complex 39A at the Kennedy Space Center in. For the best Quadrantid meteor viewing, find a dark location away from bright city lights, point your feet roughly toward the northeast, and look up. Each day a different image or photograph of our fascinating universe is Dragon is slated to dock with the ISS at 1:17 a.m. AI chatbots are here and theyre passing medical exams should we embrace them? Bottom line: Comet Leonard (C/2021 A1) discovered on January 3, 2021 is heading inward toward its January 3, 2022, perihelion. This visualization tracks the trajectory of the Voyager 2 spacecraft through the solar system. The mirror deployment team incrementally moved all 132 actuators located on the back of the primary mirror segments and secondary mirror. Across the top of the frame are the stars and nebulae along the plane The timeline will . A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. if($full.length > 0){ APOD: 2022 January 1 - The Full Moon of 2021 Astronomy Picture of the Day Discover the cosmos! NASA's spacecraft on Mars are all affected by the winds, which can produce a tiny dust devil or a global dust storm. Like planets, comets do move in front of the star background. streching about 60 degrees across deep southern skies What did NASA see on my birthday Our universe is a fascinating place filled with stars and mysterious elements. Webb has begun the detailed process of fine-tuning its individual optics into one huge, precise telescope. Soar over the giant asteroid Vesta in 3-D. This site is maintained by the Planetary Science Communications team at, Cassini's last X- and S-band radio signals, Final Orbits: Cassini Grand Finale (Animation), Comet Shoemaker-Levy 9 Jupiter Impact (Visualization), Destination Dwarf Planet: Dawn Approaches Ceres, NASA Scientist for a Day 2019-2020: Target No. With about two minutes left on the . The Ka-band and the High-Gain Antenna will eventually allow the observatory to send all of the science images and data down to the ground for astronomers around the world to analyze and make discoveries. This still from a movie shows an image taken by NASA's Dawn spacecraft layered on a digital terrain model of an unusual hill containing a dark-rayed impact crater and nearby dark deposit on asteroi Venus may be losing heat from geologic activity in regions called coronae, possibly like early tectonic activity on Earth. Work on the deployment of Webbs sunshield mid-booms went late into the night yesterday. Because it is an ideal location for an infrared observatory. The source of the Quadrantids is thought to be the asteroid 2003 EH1, which might actually be an extinct comet. On Monday, Jan. 24, engineers plan to instruct NASAs James Webb Space Telescope to complete a final correction burn that will place it into its desired orbit, nearly 1 million miles away from the Earth at what is called the second Sun-Earth Lagrange point, or L2 for short. 3 - Charon, NASA's Dawn Spacecraft Flight Over Occator Crater, Venus' Squishy' Outer Shell May Be Resurfacing the Planet, NASA Administrator Selects New Head of Science, Poem by U.S. At 110 feet in height, Terran 1 is about half the height of SpaceX's Falcon 9 and United Launch Alliance's Atlas V. But Relativity says the rocket is mostly 3D printed 85% by mass. And a December 25 birthday will give you a shot of another dwarf galaxy, NGC 4214, featuring intricate patterns of glowing hydrogen an image which the Hubble snapped back in 2009. JPL is a federally funded research and development center managed for Explanation: And look for it to become a morning planet in April. As always, dark skies are recommended for this diffuse object. Closest approach to Venus was at 9:08 p.m. And courtesy of Nasa you can see just what was occurring elsewhere in the universe thanks to the Hubble Space Telescope, which has been snapping amazing pictures of the galaxies and skies around us since 1990. CNN . Not only would that big burn cost a lot of propellant, it would be impossible because it would require Webb to turn 180 degrees in order to thrust toward the Sun, which would have exposed its telescope optics and instruments directly to the Sun, thus overheating their structures and literally melting the glue that holds them together. Webb will solve mysteries in our solar system, look beyond to distant worlds around other stars, and probe the mysterious structures and origins of our universe and our place in it. U.S. It's visible to the unaided eye under relatively dark skies, and is easily seen with binoculars as a faint haze. The two will be only about 4 degrees apart, which should make them appear together through most binoculars. January begins with a new moon on the 2nd. (@Space_HRH) December 30, 2021. & Michigan Tech. 2022 January 1 The Full Moon of 2021 Image Credit & Copyright: Soumyadeep Mukherjee So enjoy the crescent Venus that is the planet at its brightest. You can find out what image of space Nasa took on your birthday at the Nasa website, with a section dedicated to the Hubbles photos. Similar to your arm giving the ball energy to go up a few meters from the Earths surface, the Ariane 5 rocket gave Webb energy to go the great distance of 1.1 million kilometers, but not quite enough energy to escape Earths gravity. NASA's SpaceX Crew-6 mission launches from Kennedy Space Center in Florida with three astronauts and a cosmonaut on Thursday, March 2, 2023. toggleFullscreenMessage() Webb mission management decided this morning to pause deployment activities for today and allow the team to rest and prepare to begin Webbs sunshield tensioning tomorrow, Sunday, Jan. 2. New year, new Moon; midnight meteors; and Mars rises. With the departure of Saturn and Venus over the past two months, Jupiter is the only bright planet left in our twilight skies in February, and it's on its way out! Poet Laureate Ada Limn Will Ride to Europa on NASA Spacecraft, NASA Retires InSight Mars Lander Mission After Years of Science, 40-Year Study Finds Mysterious Patterns in Temperatures at Jupiter, Juno Explores Jovian Moons During Extended Mission. NASA by Caltech. Credit: NASA/Goddard/University of Arizona/Lockheed Martin. // console.log("received message", event) setTimeout(function(){ (92mm Refractor Telescope). Today, at 1:17 p.m. EST, NASAs James Webb Space Telescope completed all of its large-scale deployments with the extension and latching of its starboard primary mirror wing. Cassini mission planners created this animation to showcase Cassini's final 22 orbits - the mission's Grand Finale. By Thaddeus Cesari, Webb science writer, NASAs Goddard Space Flight Center, Greenbelt, Md. Despite its high speed, youll find that its distance from Earth and the vast distances in our solar system will cause the comet to appear as a very slow-moving object. While we still have a long way to go before getting the science, the engineering feats that have been accomplished, on Earth and now in space, are awe-inspiring. } else { Scripts sent from the Mission Operations Center will direct this process under human supervision, slowly and steadily moving one actuator at a time, taking turns between segments. Your email address will only be used for EarthSky content. Nr du bruger vores websites og apps, bruger vi, at godkende brugere, trffe sikkerhedsforanstaltninger og forebygge spam og misbrug samt til, at mle din brug af vores websites og apps, at vise personligt tilpassede annoncer og personligt tilpasset indhold baseret p interesseprofiler, at mle effektiviteten af personligt tilpassede annoncer og personligt tilpasset indhold samt til, at udvikle og forbedre vores produkter og tjenester. A line from Gamma Crucis through the blue star at the bottom of the Now, Mars is slowly returning to view after passing behind the Sun over the past few months. (But they can appear anywhere in the sky!) Using six motors that deploy each segment approximately half the length of a paper clip, these actuators clear the mirrors from their launch restraints and give each segment enough space to later be adjusted in other directions to the optical starting position for the upcoming wavefront alignment process. A detailed breakdown of Webbs orbit can be found here. $('body').css('overflow','') Driving around today, the song Book On The Shelf came on, and this verse (particularly the third line, and I changed the fifth line) just shouted the JWST team to me. Mars will continue to brighten and climb higher over the next few months, where it'll have super-close conjunctions with Saturn and Jupiter, which we'll tell you about in future videos, so stay tuned! The average distance between Earth and the moon is about 239,000 . An update on findings from Cassini's latest flyby of Saturn's largest moon, Titan. Webb is an international program led by NASA with its partners, ESA (European Space Agency)and theCanadian Space Agency. That event, called solar conjunction, took place back in October. ET, July 12, 2022 NASA released the 1st Webb Telescope image yesterday and . For the first few weeks of mirror alignment, the team will keep the instrument trained on the star while they make microscopic adjustments to the mirror segments; ultimately that collection of 18 blurry dots will become a focused image of a single star. fullHeightWidthIframe() Then share the results with your friends on social media using #Hubble30. Turns out Venus is brightest not when it's closest to Earth, but when it's almost at its closest and still shows us a large, bright crescent phase. Mounting thrusters on the telescope as a way to direct braking thrust was infeasible for a number of reasons and was never a design option. By the way, astronomer Greg Leonard discovered this comet as 2021 began, giving it its name. The giant planet stands alone, low in the western sky after sunset in February. At Sun-Earth L2, the Sun and Earth (and Moon, too) are always on one side of space, allowing Webb to keep its telescope optics and instruments perpetually shaded. near a perigee or closest approach During the past month, JWST has achieved amazing success and is a tribute to all the folks who spent many years and even decades to ensure mission success, said Bill Ochs, Webb project manager at NASAs Goddard Space Flight Center. The team has selected the star HD 84406 as its target to begin this process. This telescope will let astronomers peer further back in time than ever before all the way back to when the first stars and galaxies were forming 13.7 billion years ago as well as scanning the atmospheres of alien worlds for possible signs of extra-terrestrial life. console.log("Toggling fullscreen", $('.webgl_module_container').length) This animation shows a color-coded map from NASA's Dawn mission revealing the highs and lows of topography on the surface of dwarf planet Ceres. Unlike the ball, Webb wouldnt return to the Earths surface, but would be in an extremely elliptical orbit, with a perigee altitude of 300 kilometers and an apogee altitude of 1,300,000 kilometers. And I cant wait to see Webbs first new views of the universe this summer!. Were one step closer to uncovering the mysteries of the universe. }, 300) The stripes still look mismatched, but they show in their own right and satellites of the mighty Milky Way. The free, online planetarium program Stellarium can provide a view from your location. In this starry panorama streching about 60 degrees across deep southern skies the South Celestial Pole is somewhere near the middle though, flanked by bright galaxies and southern celestial gems. The heaters were necessary to keep critical optics warm to prevent the risk of water and ice condensation. A stunning image . Bill Dunford Design & Development: If so, you may very well have seen part of the asteroid, Vesta! The dashboard displays the next five Earth approaches to within 4.6 million miles (7.5 million kilometers or 19.5 times the distance to the moon); an object larger than about 150 meters that can approach the Earth to within this distance is termed a potentially hazardous object. $(window).resize(function(){ L4 and L5 are stable in that each location is like a shallow depression or bowl atop the middle of a long, tall ridge or hill. "It was a great call and a good learning opportunity for the crew and I think for the teams.". But, despite its incredible speed through the vast space of our solar system, dont expect to see this comet swoosh across the sky. The Sun as seen in multiple wavelengths of light by NASA's Solar Dynamics Observatory over four days in August 2018. Authors & editors: Hubbles unique design, allowing it to be repaired and upgraded with advanced technology by astronauts, has made it one of Nasas longest-living and most valuable observatories, beaming transformational astronomical images to Earth for decades.. Specific rights apply. if($full.length > 0){ the most distant Full Moon in December. heads the Southern Cross near top Bob King pointed out at Skyandtelescope.com, See more Comet Leonard photos at EarthSky Community Photos. Poet Laureate Ada Limn Will Ride to Europa on NASA Spacecraft, NASA Retires InSight Mars Lander Mission After Years of Science, 40-Year Study Finds Mysterious Patterns in Temperatures at Jupiter, Juno Explores Jovian Moons During Extended Mission. What's Up for February? The Orion Nebula is an enormous cloud of gas and dust where thousands of stars are being born. Simply enter your month and date of birth when prompted, and . Each mirror now needs to be deployed out by 12.5 millimeters (about half an inch) to get the pegs clear from the sockets. And through a telescope, it's a sight you'll never forget. Webb will solve mysteries in our solar system, look beyond to distant worlds around other stars, and probe the mysterious structures and origins of our universe and our place in it. latest news, feel-good stories, analysis and more, Scientists find hidden corridor in 4,500-year-old Great Pyramid of Giza, New disease caused by plastic found in birds for the first time, Stadium-sized asteroid to come within 2,000,000 kms of Earth. But its brightness in our skies varies, depending on how far it is from Earth and on its phase. You should be able to see a few meteors on the couple of nights before and after as well. The fact that it looked simple is a tribute to all those over the years who have worked towards Webb mission success. Sigma Octantis is little over one degree fom the }) This week, we have started the process of moving the mirror segments (all primary plus secondary) out of their stowed launch positions. Europa is my favorite Itis that it is one of the veryfew places in our solar systemthat could potentiallyhave life. setTimeout(function(){ The cryocooler will cool MIRI to 6 kelvins in the following months. Just look Yes, if youre a careful observer and willing to spend some time. At full speed, it takes about a day to move all the segments by just 1 millimeter. Firefox users: To easily share your birthday image on social media, you might . Congratulations to the team for all of their hard work ensuring Webbs safe arrival at L2 today. With the departure of Saturn and Venus over the past two months, Jupiter is the only bright planet left in our twilight skies in February, and it's on its way out! The star is a sun-like G star in the Ursa Major constellation, which can be seen by Webb at this time of the year. 10:42 a.m. Next up: HD 84406! Sigma Octantis. Youd do it by taking a close look at the comets position relative to background stars. NationalAeronautics and SpaceAdministration, Following Webbs Arrival at L2, Telescope Commissioning Set to Begin, The Webb Team Looks Back on Successful Deployments, Orbital Insertion Burn a Success, Webb Arrives at L2, the second Sun-Earth Lagrange point, or L2, access nearly half the sky at any given moment, moving the observatorys individual mirror segments, Webb Begins Its Months-Long Mirror Alignment, Following the Next Steps in Webbs Journey, Primary Mirror Wings Deployed, All Major Deployments Complete, Starboard Primary Mirror Wing Deployment Underway, Webb Observes a Globular Cluster Sparkling with Separate Stars, Breaking the Tracking Speed Limit With Webb, Webb Spies Chariklo Ring System With High-Precision Technique, Near Infrared Imager and Slitless Spectrograph Operations Update. This will likely affect the full timeline for Webbs deployment. New reports on December 20 also indicate its tail is slightly bigger. The mirror control system is designed to operate only one actuator at a time. This artist's concept shows "tides" on Titan raised by Saturn's gravity, as detected by NASA's Cassini spacecraft. It will make its closest approach to the sun, or perihelion, on Jan. 12, and will then whip past Earth. Dr. Nicola Fox will serve as the associate administrator for the agencys Science Mission Directorate. Of course the full moons of When NIRCam reaches 120 kelvins (approximately -244 degrees Fahrenheit, or -153 degrees Celsius), Webbs optics team will be ready to begin meticulously moving the 18 primary mirror segments to form a single mirror surface. That is the first star Webb will point at to gather engineering data to start the mirror alignment process. So catch Jupiter before it's gone. Eta Carinae and the reddish glow of the Great Carina Nebula shine along The geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2020. Generally speaking, getting a spacecraft to Sun-Earth L2 is fairly straightforward, but Webbs architecture added a wrinkle. May and November ET, a Falcon 9 rocket vaulted off pad 39A at Kennedy Space Center with NASA's SpaceX Crew-6 mission, the seventh flight under contract between the agency and California-based company. On Sept.25, 2135, an asteroid called Bennu will make a close flyby of Earth. Toss a note in a bottle and hope that it helps Winds around Jupiter's Great Red Spot are simulated in this JunoCam view that has been animated using a model of the winds there. Its been much-anticipated, and its turning out to be quite a fine object for viewing! So pour me another, its good for my health NASA and SpaceX previously tried to launch Crew-6 on Monday, Feb. 27, but an issue with the system that ignites the Falcon 9 rocket's Merlin main engines forced teams to stand down and troubleshoot. } They are a testament to the hard work and expertise of the international Webb team. Arranged by moonth, Enter the month and date below to find out! Phil Davis fullHeightWidthIframe() Were excited to be on this journey to #UnfoldTheUniverse with you., Alexandra Lockwood, project scientist for Webb science communications, Space Telescope Science Institute. Experience the Web Around Asteroid Bennu in this interactive, 360 video, optimized for mobile devices and desktop browsers. The dashboard displays the next five Earth approaches to within 4.6 million miles (7.5 million kilometers or 19.5 times the distance to the moon); an object larger than about 150 meters that can approach the Earth to within this distance is termed a potentially hazardous object. Jupiter makes its exit, Venus at peak brightness, and the star-forming cloud next door.
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