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Arrested Development: Hubble Finds Relic Galaxy Close to Home

Astronomers using the Hubble Space Telescope have identified a very rare and odd assemblage of stars that has remained essentially unchanged for the past 10 billion years. The diffuse stellar island, galaxy NGC 1277, provides valuable new insights...
12-Mar-2018 2:00 PM EDT Add to Favorites

NASA’s Webb Telescope to Make a Splash in Search for Interstellar Water

Most of the water in the universe floats in vast reservoirs called molecular clouds. It coats the surface of dust grains, turning them into cosmic snowflakes. When stars and planets form, those snowflakes get swept up, delivering key ingredients for...
9-Mar-2018 9:05 AM EST Add to Favorites


Hubble Finds Huge System of Dusty Material Enveloping the Young Star HR 4796A

Astronomers have used Hubble to uncover a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. A bright, narrow, inner ring of dust is already known to encircle the star and may have been corralled by the...
6-Mar-2018 1:00 PM EST Add to Favorites


NASA Finds a Large Amount of Water in an Exoplanet's Atmosphere

Scientists using NASA's Hubble and Spitzer space telescopes have found a larger than expected amount of water in the atmosphere of WASP-39b, a hot, bloated, Saturn-mass exoplanet located about 700 light-years from Earth. Though no planet like this...
1-Mar-2018 1:00 PM EST Add to Favorites


Improved Hubble Yardstick Gives Fresh Evidence for New Physics in the Universe

Astronomers using the Hubble Space Telescope have made the most precise measurement to date of the rate at which the universe is expanding the big bang. This may mean that there's something unknown about the makeup of the universe. The new numbers...
22-Feb-2018 3:00 PM EST Add to Favorites

NASA's James Webb Space Telescope to Reveal Secrets of the Red Planet

Mars rovers and orbiters have found signs that Mars once hosted liquid water on its surface. Much of that water escaped over time. How much water was lost, and how does the water that’s left move from ice to atmosphere to soil? During its first...
20-Feb-2018 10:00 AM EST Add to Favorites

Hubble Sees Neptune's Mysterious Shrinking Storm

Three billion miles away on the farthest known major planet in our solar system, an ominous, dark storm is shrinking out of existence as seen in pictures of Neptune taken by the Hubble Space Telescope. Immense dark storms on Neptune were first...
15-Feb-2018 1:00 PM EST Add to Favorites

Hubble Probes Atmospheres of Exoplanets in TRAPPIST-1 Habitable Zone

Astronomers using the Hubble Space Telescope have conducted the first spectroscopic survey of the Earth-sized planets within the habitable zone around the nearby star TRAPPIST-1. Hubble reveals that at least three of the exoplanets (d, e, and f) do...
5-Feb-2018 11:00 AM EST Add to Favorites

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