JPL/NASA

Punching holes in the sky

Scientists, photographers and amateur cloud watchers have been looking up with wonderment and puzzlement at "hole punch" clouds for decades. Giant, open spaces appear in otherwise continuous cloud cover, presenting beautiful ...

dateJul 12, 2011 in Earth Sciences
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Remnant of an explosion with a powerful kick?

(PhysOrg.com) -- Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions. In its more than twelve years of science operations, NASA's Chandra X-ray Observatory ...

dateFeb 02, 2012 in Astronomy
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Dawn sends first low altitude images of Vesta

(PhysOrg.com) -- NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit. The images, obtained by the framing camera, show the stippled and lumpy surface in detail ...

dateDec 21, 2011 in Space Exploration
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Citizen scientists reveal a bubbly Milky Way

(PhysOrg.com) -- A team of volunteers has pored over observations from NASA's Spitzer Space Telescope and discovered more than 5,000 "bubbles" in the disk of our Milky Way galaxy. Young, hot stars blow these bubbles into ...

dateMar 07, 2012 in Astronomy
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