radar

Cassini Sees a “Zen Garden” on Titan

Looking like the flowing designs carved by a Zen gardener's rake, long parallel dunes of hydrocarbon sand stretch across the…

10 years ago

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

A Louisiana sinkhole the size of 19 American football fields shifted sideways in radar measurements before its collapse and resulting…

10 years ago

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

Tonight's the Harvest Moon, the full Moon closest to the fall equinox. A perfect time to catch a big orange…

11 years ago

Earth-Passing Asteroid is “An Entirely New Beast”

On the last day of May 2013 asteroid 1998 QE2 passed relatively closely by our planet, coming within 6 million kilometers...…

11 years ago

Close Passing Asteroid 2013 ET Gets Its Picture Taken

Another space rock sat pretty for NASA's big dish photographer. The 70-meter (230-feet) Goldstone antenna zinged radio waves at 2013 ET on…

11 years ago

Asteroid Toutatis Tumbles in New Video from NASA

NASA has compiled the radar images taken of Asteroid Toutatis during its flyby of Earth this week to create a…

11 years ago

Say Hello to Asteroid 2007 PA8

Radar images of asteroid 2007 PA8 acquired on October 28, 29 and 30. (NASA/JPL-Caltech/Gemini) Take a good look at asteroid…

11 years ago

Researchers Send Mars Some Radar Love

A radar map of Mars' major volcanic regions created by the Arecibo Observatory in Puerto Rico (John Harmon et al.,…

12 years ago

African Lake Has a Twin on Titan

[/caption] A large lake on Saturn's cloud-covered Titan seems very similar to the Etosha Pan, a salt-encrusted dry lakebed in…

12 years ago

Is This The Last Image From Envisat?

[/caption] The European Space Agency's venerable Envisat satellite may have sent back its final image, according to recent news from…

12 years ago