Hubble Space Telescope celebrates Halloween with a glowering, dying star
A hypnotizing vortex? A peek into a witch's cauldron? A giant space-spider web?
Astronomy
Oct 28, 2021
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Hubble Space Telescope gives unprecedented, early view of a doomed star's destruction
Like a witness to a violent death, NASA's Hubble Space Telescope recently gave astronomers an unprecedented, comprehensive view of the first moments of a star's cataclysmic demise. Hubble's data, combined with other observations ...
Astronomy
Oct 21, 2021
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481
'Double' galaxy mystifies Hubble astronomers
Gazing into the universe is like looking into a funhouse mirror. That's because gravity warps the fabric of space, creating optical illusions.
Astronomy
Oct 7, 2021
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Hubble discovers hydrogen-burning white dwarfs enjoying slow aging
The prevalent view of white dwarfs as inert, slowly cooling stars has been challenged by observations from the NASA/ESA Hubble Space Telescope. An international group of astronomers have discovered the first evidence that ...
Astronomy
Sep 6, 2021
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Hubble captures gravity-lensed quasar
Clustered at the center of this image are six luminous spots of light, four of them forming a circle around a central pair. Appearances can be deceiving, however, as this formation is not composed of six individual galaxies, ...
Astronomy
Aug 27, 2021
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Comet ATLAS may have been a blast from the past
It's suspected that about 5,000 years ago a comet may swept within 23 million miles of the Sun, closer than the innermost planet Mercury. The comet might have been a spectacular sight to civilizations across Eurasia and North ...
Astronomy
Aug 19, 2021
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Ground system for NASA's Roman Space Telescope moves into development
When it launches in the mid-2020s, NASA's Nancy Grace Roman Space Telescope will revolutionize astronomy by building on the science discoveries and technological leaps of the Hubble, Spitzer, and Webb space telescopes. The ...
Astronomy
Jul 29, 2021
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Hubble finds first evidence of water vapor on Jupiter's moon Ganymede
For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter's moon Ganymede. This water vapor forms when ice from the moon's surface sublimates—that is, turns from solid to gas.
Astronomy
Jul 26, 2021
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Astronomers probe layer-cake structure of brown dwarf's atmosphere
Brown dwarfs are the cosmic equivalent of tweeners. They're too massive to be planets and too small to sustain nuclear fusion in their cores, which powers stars. Many brown dwarfs are nomadic. They do not orbit stars but ...
Astronomy
Jun 10, 2021
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646
Magnificent spiral galaxy is being stretched by passing neighbor
The myriad spiral galaxies in our universe almost all look like fried eggs. A central bulge of aging stars is like the egg yolk, surrounded by a disk of stars that are the egg white. The galaxy in this Hubble photo looks ...
Astronomy
May 27, 2021
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