radar

Weekly Space Hangout – May 16, 2014: Shrinking Red Spot

by Fraser Cain May 16, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Host: Fraser Cain (@fcain) Guests: Alessondra Springmann (@sondy), Brian Koberlein (@briankoberlein, briankoberlein.com), Nicole Gugliucci (cosmoquest.org / @noisyastronomer) Remove this ad Fraser Cain on Google+

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Cassini Sees a “Zen Garden” on Titan

by Jason Major April 8, 2014

Looking like the flowing designs carved by a Zen gardener’s rake, long parallel dunes of hydrocarbon sand stretch across the surface of Saturn’s moon Titan. The image above, acquired by Cassini in July 2013, reveals these intriguing and remarkably Earthlike landforms in unprecedented detail via radar, which can easily pierce through Titan’s thick clouds. I’m […]

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Evidence Of Giant, Growing Louisiana Sinkhole Showed Up In Radar Before Collapse: NASA

by Elizabeth Howell March 7, 2014

A Louisiana sinkhole the size of 19 American football fields shifted sideways in radar measurements before its collapse and resulting evacuations in 2012, a study reveals. The implication is that if certain types of radar measurements are collected regularly from above, it is possible to see some sinkholes before they collapse. The researchers added, however, that […]

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Tonight’s Harvest Moon Is For The Birds … Really!

by Bob King September 18, 2013

Tonight’s the Harvest Moon, the full Moon closest to the fall equinox. A perfect time to catch a big orange Moon on the horizon AND the annual fall bird migration. Every September and October anyone with a small telescope or spotting scope magnifying 30x can enjoy the sight of one bird after another flying over the […]

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Earth-Passing Asteroid is “An Entirely New Beast”

by Jason Major June 17, 2013

On the last day of May 2013 asteroid 1998 QE2 passed relatively closely by our planet, coming within 6 million kilometers… about 15 times the distance to the Moon. While there was never any chance of an impact by the 3 km-wide asteroid and its surprise 750 meter satellite, astronomers didn’t miss out on the chance […]

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