Fresh Air “Sniffed” by Cassini on Dione
NASA’s Cassini spacecraft has “sniffed” molecular oxygen ions around Saturn’s icy moon Dione for the first time, confirming the presence of a very tenuous atmosphere. The…
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Flying Through an Aurora
Glowing green and red, shimmering hypnotically across the night sky, the aurora borealis is a wonder to behold. Longtime sky watchers say it is the greatest…
Read the articleDark Matter Core Defies Explanation
Astronomers using data from NASA’s Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters…
Read the articleBig Sunspot Unleashes X-Flare
Big sunspot AR1429, which emerged over the weekend, is crackling with strong flares. This morning the active region produced an X1-class eruption and a bright coronal…
Read the articleNASA Continues Orion Parachute Testing for Orbital Test Flight
On Feb. 29, NASA successfully conducted another drop test of the Orion crew vehicle’s entry, descent and landing parachutes high above the Arizona desert in preparation…
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AAVSO Alert Notice 454: Monitoring of CH Cyg Requested for Chandra and HST Observations
AAVSO Alert Notice 454 Monitoring of CH Cyg Requested for Chandra and HST Observations March 2, 2012 Dr. Margarita Karovska, Harvard-Smithsonian Center for Astrophysics, has requested…
Read the articleEmbryonic Stars Flicker in the Heart of the Orion Nebula
Astronomers using ESA’s Herschel and NASA’s Spitzer space telescopes have detected surprisingly rapid changes in the brightness of embryonic stars within the well-known Orion Nebula. This…
Read the articleProposed Mars Mission Has New Name
A proposed Discovery mission concept led by NASA’s Jet Propulsion Laboratory, Pasadena, Calif., to investigate the formation and evolution of terrestrial planets by studying the deep…
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Earth From Space March 2012 – 10 Years of Envisat
Earth from Space is presented by Kelsea Brennan-Wessels from the ESA Web-TV virtual studios. In this special edition, Envisat Mission Manager, Henri Laur, joins the show…
Read the articleMarch 2 Sees a NASA Event to Celebrate John Glenn’s Legacy
NASA’s Glenn Research Center will host an event on March 2 to commemorate the 50th anniversary of John Glenn’s orbital flight, the first by an American.…
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