dust

Revisit Halley’s Comet – Stay Up Late for This Week’s Eta Aquarid Meteor Shower

by Bob King May 4, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter UPDATE: Watch a live webcast of the meteor shower, below, from NASA’s Marshall Space Flight Center during the night of Monday, May 5 to the early morning of May 6. Halley’s Comet won’t be back in Earth’s vicinity until the summer […]

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LADEE Sees Zodiacal Light before Crashing into Moon, but Apollo Mystery Remains

by Bob King April 24, 2014

NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) literally ‘saw the light’ just days before crashing into the lunar farside last Thursday April 17. Skimming just a few kilometers above the moon’s surface, mission controllers took advantage of this unique low angle to gaze out over the moon’s horizon in complete darkness much like the Apollo astronauts did from lunar […]

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Happy Equinox! – A Perfect Time to See the Zodiacal Light

by Bob King March 20, 2014

Welcome to the first day of spring! If you have a clear night between now and April 1, celebrate the new season with a pilgrimage to the countryside to ponder the eerie glow of the zodiacal light. Look for a large, diffuse, tapering cone of light poking up from the western horizon between 90 minutes […]

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Dusty Galaxies Shine Across The Universe In New Herschel Survey

by Elizabeth Howell March 18, 2014

While dust is easy to ignore in small quantities (says the writer looking at her desk), across vast reaches of space this substance plays an important role. Stick enough grains together, the theory goes, and you’ll start to form rocks and eventually planets. On a galaxy-size scale, dust may even effect how the galaxy evolves. […]

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Should This Alien World Even Exist? This Young Disk Could Challenge Planet-Formation Theories

by Elizabeth Howell June 13, 2013

Take a close look at the blurry image above. See that gap in the cloud? That could be a planet being born some 176 light-years away from Earth. It’s a small planet, only 6 to 28 times Earth’s mass. That’s not even the best part. This alien world, if we can confirm it, shouldn’t be there according […]

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