Hubble
Hubble
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Hubble
3 天前
#HubbleFriday This bright, somewhat blob-like object is a galaxy named NGC 1803. It is about 200 million light-years away, in the southern constellation of Pictor. NGC 1803 was discovered in 1834 by astronomer John Herschel. For more information: https://t.co/Aho93cQmn6 https://t.co/PAI6E7PWb4

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Hubble
6 天前
#HubbleClassic #OTD in 1994, Hubble released this image of the massive star system Eta Carinae and the billowing clouds of gas & dust around it. The picture was taken by the Wide Field and Planetary Camera 2, installed just a month earlier. https://t.co/oqGpeHUC2v

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Hubble
11 天前
#AAS235 An emerging idea, bolstered by surveys from Hubble and other telescopes, is that orange dwarfs are "Goldilocks stars" — not too hot, not too cool, and above all, not too violent to host life-friendly planets over a vast horizon of cosmic time: https://t.co/K4DoBwWHw1 https://t.co/PwH0qQtT7i

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Hubble
11 天前
#AAS235 Calculating the expansion rate of the universe is a mystery that has been one of the greatest challenges in astrophysics in recent years. A new study adds evidence to the idea that new theories may be needed to explain what scientists are finding: https://t.co/BuI6sN3yoa https://t.co/ZouJGnJo04

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Hubble
11 天前
#AAS235 Astronomers have detected dark matter clumps around large- and medium-sized galaxies. Now, using Hubble and a new observing technique, astronomers have found that dark matter forms much smaller clumps than previously known: https://t.co/kaLWfXaEDQ https://t.co/dRz11LGPcf

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Hubble
11 天前
Stay tuned this hour for 3 special Hubble news stories from #AAS235!

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Hubble
14 天前
This is the farthest galaxy group identified to date. Three galaxies of the EGS77 galaxy group, shown in the green circles, lie at a redshift of 7.7, which means we’re seeing them as they were when the universe was just 680 million years old: https://t.co/inao1cURGZ https://t.co/CmDHsFoTVK

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Hubble
14 天前
This majestic spiral galaxy might earn the nickname the "Godzilla galaxy" because it may be the largest known in the local universe. The galaxy, UGC 2885, is 2.5 times wider than our Milky Way and contains 10 times as many stars: https://t.co/fl02HcfzdU https://t.co/7q8LzYIUgs

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Hubble
14 天前
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Hubble
17 天前
#HubbleFriday Spiral galaxy NGC4455 is located in the constellation Coma Berenices. This may sound like an odd name and in fact it is somewhat unusual. It’s the only modern constellation named in honor of a person from history: Queen Berenice II of Egypt: https://t.co/s9fZjbqpal https://t.co/ovEZgbvABw

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Hubble
18 天前
#HubbleClassic Just weeks after astronauts finished working on Hubble in Dec. 1999, the telescope captured this shot of NGC 1999, a nebula lit by the star V380 Orionis. Infrared observations show that the dark region near the star is a hole in the nebula: https://t.co/GqapxG419r https://t.co/99hMwYGuQ3

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Hubble
23 天前
#Now in 1999, Discovery touches down at the Kennedy Space Center to complete a mission traveling almost 3.3 million miles, leaving the Hubble Space Telescope with six new gyroscopes, a new computer, a new solid state recorder, a new fine guidance sensor, and new insulation. #SM3A https://t.co/HqzsgWecpA

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Hubble
24 天前
#HubbleFriday High-energy radiation is generated by material falling inward into the central region of galaxy ESO 021-G004, and meeting the behemoth lurking there — a supermassive black hole: https://t.co/k8iTBbITXh https://t.co/blVBbxHL9z

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Hubble
24 天前
#Now in 1999, the space shuttle crew's wake-up call is "The Cup of Life," sung by Ricky Martin. The official song of the 1998 World Cup in France, it was played for mission specialist Jean-Francois Clervoy of the European Space Agency at the request of his son. #SM3A https://t.co/bpHMEBNs1E

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Hubble
25 天前
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Hubble
25 天前
#Now in 1999, the seven astronauts aboard Discovery awaken to the song "We're So Good Together" by Reba McEntyre, played for pilot Scott Kelly (@StationCDRKelly). The shuttle crew would spend the day preparing to return to Earth. #SM3A https://t.co/ij5AGhz2lc

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Hubble
25 天前
#Now in 1999, astronaut Jean-Francois Clervoy uses the shuttle's robotic arm to gently release the Hubble Space Telescope back into orbit to continue its quest to unravel the secrets of the universe. #SM3A https://t.co/rSrnIpTKHp

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Hubble
25 天前
#Now in 1999, ground controllers at NASA's Goddard Space Flight Center send a command to open Hubble's aperture door, once again exposing the telescope's mirror to the cosmos. #SM3A https://t.co/xXPMQZGZlf

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Hubble
1 个月前
#Now in 1999, the seven astronauts aboard Space Shuttle Discovery awaken to Bing Crosby's "I'll Be Home For Christmas," reminding them that friends, family, and colleagues on Earth wish them well and await their safe return. #SM3A https://t.co/FU12Sd57sz

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Hubble
1 个月前
#Now in 1999, the last spacewalk of Hubble's third servicing mission comes to an end after 8 hours and 8 minutes, making it the fourth longest spacewalk in history (at the time). #SM3A https://t.co/OapyfZjbvh

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