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Close Encounters: Comet Siding Spring Seen Next to Mars


A composite Hubble Space Telescope image provides the position of comet Siding Spring during the comet's closest approach to Mars on October 19, 2014. Join Hubble astronomers for a live discussion at 3pm today during the Comet Siding Spring/Mars...
23-Oct-2014 12:00 PM EDT

Hubble Finds Extremely Distant Galaxy through Cosmic Magnifying Glass


Using the Hubble Space Telescope and the lensing power of giant galaxy cluster Abell 2744, astronomers may have made the most reliable distance measurement yet of an object that existed in the very early universe. The galaxy, estimated to be over 13...
16-Oct-2014 1:00 PM EDT

NASA's Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission


NASA's Hubble Space Telescope has uncovered three Kuiper Belt objects that the agency's New Horizons spacecraft could potentially visit after it flies by Pluto in July 2015.
15-Oct-2014 1:00 PM EDT

Hubble Maps the Temperature and Water Vapor on an Exoplanet


A team of scientists using the Hubble Space Telescope has made the most detailed map yet of the temperature of an exoplanet’s atmosphere and traced the amount of water it contains. The planet targeted for both of the investigations was the...
9-Oct-2014 2:00 PM EDT

NASA Telescopes Find Clear Skies and Water Vapor on Exo-Neptune


Astronomers using the Hubble, Spitzer, and Kepler space telescopes were able to determine that the exoplanet, cataloged HAT-P-11b, has clear skies and steamy water vapor in its atmosphere. The planet is about the size of Neptune. The results...
24-Sep-2014 1:15 PM EDT

Hubble Helps Find Smallest Known Galaxy with a Supermassive Black Hole


Astronomers using data from NASA’s Hubble Space Telescope and ground observation have found an unlikely object in an improbable place -- a monster black hole lurking inside one of the tiniest galaxies ever known. The black hole is five times the...
17-Sep-2014 1:00 PM EDT

Hubble Finds Companion Star Hidden for 21 Years in a Supernova's Glare


Using NASA’s Hubble Space Telescope, astronomers have discovered a companion star to a rare class of supernova, known as a Type IIb. The discovery confirms a long-held theory that the supernova, dubbed SN 1993J, occurred inside what is called a...
9-Sep-2014 1:00 PM EDT

New iBooks Textbook Helps Visually Impaired Visit the Stars Through Touch and Sound

A new accessible iBook inspires students of all abilities to pursue futures in science. "Reach for the Stars: Touch, Look, Listen, Learn" incorporates new assistive technologies so children with disabilities, too, can experience striking deep-space...
4-Sep-2014 10:30 AM EDT

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