Opportunity Mars Rover Gets a Memory Refresh
After avoiding use of the rover’s flash memory for three months, the team operating NASA’s 11-year-old Mars Exploration Rover Opportunity has reformatted the vehicle’s flash memory…
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First Detection of Molecular Nitrogen at a Comet Made by Rosetta
ESA’s Rosetta spacecraft has made the first measurement of molecular nitrogen at a comet, providing clues about the temperature environment in which Comet 67P/Churyumov–Gerasimenko formed. Rosetta…
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ESA Proba-2 Catches Solar Eclipse
As today’s partial solar eclipse crossed Europe, it was also visible from space. ESA’s Proba-2 captured a near-total eclipse from orbit, at the same time as…
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AAVSO Alert Notice 513: Request for Observations of GW Lib in Support of HST Observations
AAVSO Alert Notice 513 Request for observations of GW Lib in support of HST observations March 18, 2015 Dr. Paula Szkody, University of Washington, has requested…
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A Snapshot of Our Constantly Changing Sun
This snapshot of our constantly changing Sun catches looping filaments and energetic eruptions on their outward journey from our star’s turbulent surface. The disc of our…
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Hubble Source Catalog: A New Master Catalog for Astronomers
Astronomers at the Space Telescope Science Institute and the Johns Hopkins University, both in Baltimore, Maryland, have created a new master catalog of astronomical objects called…
Read the articleAAVSO Alert Notice 511: Monitoring Requested for Developing Planetary Systems Dust Production Study
AAVSO Alert Notice 511 Monitoring requested for developing planetary systems dust production study March 14, 2015 Dr. George Rieke (University of Arizona) and colleagues have requested…
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The Twisted Shockwaves of the Veil Nebula
Discovered on 5 September 1784 by astronomer William Herschel, the Veil Nebula was once a star. Now it is a twisted mass of shock waves that…
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NASA Launches 2015 Space Apps Challenge to Spark Innovation
NASA and other space agencies around the world are preparing for the fourth annual International Space Apps Challenge, which will be held April 10-12 at more…
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NASA’s Dawn Spacecraft Goes Into Orbit Around Ceres
NASA’s Dawn spacecraft has become the first mission to achieve orbit around a dwarf planet. The spacecraft was approximately 38,000 miles (61,000) kilometers from Ceres when…
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