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Hubble Detects Exoplanet with Glowing Water Atmosphere


Scientists have discovered the strongest evidence to date for a stratosphere on a planet outside our solar system. The exoplanet WASP-121b results obtained with the Hubble Space Telescope are published in the journal Nature.
2-Aug-2017 1:00 PM EDT Add to Favorites

NASA's Hubble Sees Martian Moon Orbiting the Red Planet

While photographing Mars, NASA's Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Hubble took 13 separate exposures over 22 minutes to create a time-lapse video showing the moon's orbital...
20-Jul-2017 1:00 PM EDT Add to Favorites

Hubble Pushed Beyond Limits to Spot Clumps of New Stars in Distant Galaxy


By applying a new computational analysis to a galaxy magnified by a gravitational lens, astronomers have obtained images 10 times sharper than what Hubble could achieve on its own.
6-Jul-2017 1:00 PM EDT Add to Favorites

Hubble Captures Massive Dead Disk Galaxy That Challenges Theories of Galaxy Evolution


Astronomers combined the power of a “natural lens” in space with the capability of the Hubble Space Telescope to make a surprising discovery—the first example of a compact yet massive, fast-spinning, disk-shaped galaxy that stopped making...
21-Jun-2017 1:00 PM EDT Add to Favorites

Hubble Astronomers Develop a New Use for a Century-Old Relativity Experiment to Measure a White Dwarf's Mass

Astronomers have used the sharp vision of NASA’s Hubble Space Telescope to repeat a century-old test of Einstein’s general theory of relativity. The team measured the mass of white dwarf Stein 2051 B, the burned-out remnant of a normal star, by...
7-Jun-2017 11:15 AM EDT Add to Favorites

Jackpot! Cosmic Magnifying-Glass Effect Captures Universe's Brightest Galaxies


Boosted by natural magnifying lenses in space, NASA's Hubble Space Telescope has captured unique close-up views of the universe's brightest infrared galaxies, which are as much as 10,000 times more luminous than our Milky Way. The results are being...
6-Jun-2017 3:15 PM EDT Add to Favorites

Mini-Flares Potentially Jeopardize Habitability of Planets Circling Red Dwarf Stars


Solar flares and associated eruptions can trigger auroras on Earth or, more ominously, damage satellites and power grids. Could flares on cool, red dwarf stars cause even more havoc to orbiting planets, even rendering them uninhabitable? To help...
6-Jun-2017 11:15 AM EDT Add to Favorites

Hubble's Tale of Two Exoplanets: Nature vs. Nurture


Scientists using NASA's Hubble Space Telescope to study two "hot Jupiter" exoplanets--having virtually the same size and temperature, and orbiting around nearly identical stars at the same distance--hypothesized that the planets' atmospheres should...
5-Jun-2017 3:15 PM EDT Add to Favorites

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