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Chandra's ongoing mission is to study the X-ray Universe. Operated for NASA by SAO. Privacy Terms: http://www.si.edu/Termsofuse

Latest Scoops

Galaxy M101 contains hundreds of billions of stars! About 22 million light years away, it's nearly twice as wide as our Milky Way. It would take a beam of light more than 170,000 years to get from one side of the galaxy to the other! More: https://t.co/7uS0zCXkGa #beautiful
Right #now Chandra is investigating a black hole at least 300 million times the mass of our Sun! The black hole resides about 55 million light years from Earth in galaxy M84, one of over 1,000 galaxies that make up the Virgo Cluster. More: https://t.co/BW9qYO74AD #science
@Prashant13w @NASAspitzerYes! Due to the star's motion, a bow shock is being created ahead of the star’s direction of travel. It’s similar to the ripples that precede the bow of a ship as it moves through the water, or the sonic boom of an airplane hitting supersonic speeds! ✨
Right #now Chandra is studying a galaxy in Ophiuchus. Nearby in the sky is Zeta Ophiuchi, a blue star 80,000 times brighter than our Sun that's zipping through #space at roughly 24 km per second! It's likely that a companion star exploded as a supernova, giving Zeta Oph a push!
Right #now Chandra is studying the interactions of a group of galaxies known as HCG 57! The large spiral galaxy on the right-hand side of this image (NGC 3746) has hosted at least two recent supernova explosions, one observed in 2002 and another in seen 2005! #Today's Ob: 6h 23m
Right #now Chandra is gazing at a galaxy in Ursa Major! Nearby in the sky is this #beautiful object, the Owl Nebula. A planetary nebula roughly 2 light years across, it's nested just below the bowl of the Big Dipper about 2,600 light years from Earth! #Today's Obs: 6h 56m
#News : Scientists have spent years looking for something that sounds like it would be hard to miss: about a third of the "normal" matter in the Universe. According to a new study using Chandra, the Universe's "missing mass" may have been found!https://t.co/dnrfVMI9D6
For information about these images and to learn more about radio astronomy, visit @TheNRAO 's Very Large Array (VLA) website:https://t.co/Hj522WTuBI
Investigating the Universe is best done in many wavelengths of light! Check out these radio telescope #space images in honor of #WorldRadioDay! Hercules A (blue), Tycho's Supernova Remnant (pink), and the Crab Nebula (red).
Right now Chandra is gathering information about a flare star in Andromeda! The target, GJ15A, is host star to at least 1 rocky exoplanet. Data like these will be used to assist future #science, allowing us to better understand the atmospheres of planets outside our solar system.

The Most Relevant

This cat-shaped image is actually the remains of 2 exploded stars! Roughly 160,000 light years from Earth in the Large Magellanic Cloud, this chance alignment of supernova remnants is pawsitively purrfect on #NationalCatDay! https://t.co/PP4Fw8u3ya
#Pi has been calculated to over a trillion digits. There are that many stars in the Andromeda Galaxy alone! Happy #PiDayDay!
#DYK there's a supermassive black hole at the center of our galaxy called Sagittarius A*? It's about 26,000 light years from Earth and 4.5 million times the mass of our Sun! Here it is flaring up after a possibly devouring an asteroid! https://t.co/hJFCI8XE7I #BlackHoleFriday
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Black holes are found across the Universe, within double star systems, & the centers of galaxies #BlackHoleFriday
NEWS: NASA Missions Catch First Light from Gravitational-Wave Event: Discovery represents new era in astrophysics! https://t.co/an69uCa4SH
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There are a few hundred million stellar-mass black holes in our Milky Way galaxy alone... slightly more than the number of people in the mall parking lot #today on #BlackFriday! More about black holes: https://t.co/IjvYZRULGZ #BlackHoleFriday
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#Today 's#GoogleDoodle honors Nobel Prize-winner for whom Chandra X-ray Observatory was named! Subrahmanyan#Chandrasekhar ,#BOTD in 1910!
Total(1) => 0.11988687515259 f_f_QM(2) => 0.11542797088623 indS(2) => 0.023146629333496 indM(2) => 0.052708864212036 indM_1(2) => 0.0032122135162354 indM_2(2) => 0.00080585479736328 indM_4(2) => 0.0041639804840088 indM_5(2) => 0.0051372051239014 indM_6(2) => 0.0020689964294434 indM_7(2) => 0.0044028759002686 indM_8(2) => 0.0034918785095215 indM_9(2) => 0.013998985290527 indM_10(2) => 0.01501989364624 f_f_pTL(2) => 0.003058910369873 f_f_dT(20) => 0.0028645992279053