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Hubble --"Largest Moon in Our Solar System Harbors a Buried Ocean 100 Kilometers Deep" (Weekend Feature)

This past March, NASA's Hubble Space Telescope revealed the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter's largest moon. The subterranean ocean is thought to have more water than all the water on Earth's surface. Identifying liquid...

"Cosmic Variance" --Are There Fewer Faint, Distant Galaxies in the Universe?

There may be far fewer galaxies further out in the universe then might be expected, according to a new study. Over the years, the Hubble Space Telescope has allowed astronomers to look deep into the universe. The long view stirred.....

Astronomers find 'comet's tail' trailing Neptune-sized exoplanet

They call it "the Behemoth." Astronomers using NASA's Hubble Space Telescope have discovered that a red dwarf star is boiling off the atmosphere of a Neptune-sized exoplanet, causing it to form an enormous cloud that surrounds and trails the planet like a comet's tail.

Scientists Spot Distant Planet With Comet-Like Tail

Astronomers using the Hubble space telescope have spied a distant, Neptune-sized planet throwing off a massive cloud of hydrogen gas that makes it look something like a super-comet.

Hubble Sees a 'Behemoth' Bleeding Atmosphere Around a Warm Neptune-Sized Exoplanet

Astronomers using NASA's Hubble Space Telescope have discovered an immense cloud of hydrogen dispersing from a warm, Neptune-sized planet orbiting a nearby star. The enormous comet-like tail of the planet is about 50 times the size of the parent star. The findings will be published in the June 25 issue of the journal Nature.

Pluto poised for star turn as NASA probe races toward historic encounter

2 weeks agoHealth : The Checkup

Pluto is so far away (3 billion miles) and so small (about ­two-thirds the size of our moon) that we’ve never had a good look at it, not even with the Hubble Space Telescope. In Hubble images, Pluto has always been a tiny, pixelated blob.Read full article >>

It’s full of galaxies!

2 weeks agoGenres / Sci Fi : io9

It’s full of galaxies! This new image from the Hubble Space Telescope and the ESO’s New Technology Telescope shows four of the seven galaxies in the galaxy group HCG 16: NGC 839, NGC 838, NGC 835, and NGC 833. Check out those glowing centers and wispy tails of gas! Read more...

"Lighting Up the Universe" --Black-Hole Creation Triggered By Colliding Galaxies

Using the Hubble Space Telescope's infrared vision, astronomers have unveiled some of the previously hidden origins of quasars, the brightest objects in the universe. A new study finds that quasars are born when galaxies crash into each other and fuel...

An ode to the Hubble Space Telescope

2 weeks agoHumor / odd : Boing Boing

In honor of the Hubble Space Telescope's 25th anniversary, NPR celebrates the iconic space craft with a little help from Iggy Azalea's “Trouble.” (more…)

Galactic crashes fuel quasars

Using the Hubble Space Telescope's infrared vision, astronomers have unveiled some of the previously hidden origins of quasars, the brightest objects in the universe. A new study finds that quasars are born when galaxies crash into each other and fuel supermassive, central black holes.

ALMA captures sharpest ever view of star formation in the distant universe

2 weeks agoTechnology / Gadgets : Gizmag

The Atacama Large Millimeter/submillimeter Array (ALMA) has succeeded in imaging star formation regions in a distant galaxy, with a resolution six times greater than that achievable by the Hubble Space Telescope. The galaxy, dubbed HATLAS J090311.6+003906 or SDP.81, would ordinarily be far too distant to be observed in such impressive detail. Show More Summary

'Sunscreen' layer detected on distant planet

NASA's Hubble Space Telescope has detected a stratosphere, one of the primary layers of Earth's atmosphere, on a massive and blazing-hot exoplanet known as WASP-33b.

Spacecraft captures the first close-up of these perplexing spots and scientists are more mystified than ever

Last March, NASA's Dawn spacecraft made history when it became the first mission to ever orbit a dwarf planet. Before Dawn, the best images we had of the dwarf planet Ceres were taken by the Hubble Space Telescope in the early 2000s from a distance of 257 million miles away. Show More Summary

To the Everyday Heroes: Thank You!

Dr. Charles Pellerin is one of my dear mentors. For a decade he led NASA's teams that built Hubble Space Telescope. Charlie spoke to an FBI agent shortly after he returned from the World Trade Center 9/11 disaster. "What did you learn?" Charlie asked him. Show More Summary

What We Can Learn From the Beautiful Death of a Star

The death of a star is a beautiful thing. If you don't believe me, just go to this Hubble Space Telescope gallery: these are all stars similar to our Sun that have run out of nuclear fuel and are shedding their outer layers into space. This discarded gas is [...]

Massive Explosions of Exiled Stars in Intergalactic Space --"Far from Their Home Galaxies"

Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their home galaxies millions or billions of years earlier. Most supernovae are...

Exiled stars explode far from home

Astronomers usually discover supernovae within large galaxies, where a star explodes perhaps once a century. Now a team of astronomers has used the sharp imaging capability of the Hubble Space Telescope to confirm that three exploding...Show More Summary

Pluto's strange moons don't know which end is up

last monthTechnology : Tech Talk

Hubble Space Telescope observations find several oddities: "Think of a charcoal briquette orbiting between two dirty snowballs"

Out Near Pluto: A 'Grateful Dead' Dance

A chaotic dance is taking place at the far end of our solar system, involving Pluto and five of its closest friends, a new study finds. Hubble Space Telescope images of Pluto, its largest moon Charon, and tinier moons Styx, Nix, Hydra, and Kerberos show the odd rhythmic gyrations of...

The Milky Way's Densest Star Cluster Looks Like A Dazzling Glitter Bomb

last monthGenres / Sci Fi : io9

The NASA/ESA Hubble Space Telescope captured this image of the Arches Cluster, thought to be the densest star cluster in the Milky Way. This visually striking cluster is about 25,000 light years from earth, and is a relative youngster, astronomy-wise, at two to four million years old. Read more...

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