radar
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.,…
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…
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…
Enceladus Gives Cassini Some Radar Love
[/caption] Cassini's done it again! Soaring over Saturn's moon Enceladus back on November 6, the spacecraft obtained the highest-resolution images…
Asteroid 2005 YU55: An Expert’s Explanation
NASA's Jet Propulsion Laboratory released this video today featuring more information about the much-discussed 2005 YU55, a 400-meter-wide asteroid that…
Astronomy Cast Ep. 233: Radar
Radar is one of the those technologies that changed everything: it allows boats and aircraft to “see” at night and…
Meteors Sound Like Aliens!
A space radar picked up the sounds of a meteor shower as it delighted skywatchers over the weekend. What do…
Mars Polar Cap Mystery Solved
[/caption] The shape of the two-mile-tall Texas-sized ice cap at the north pole of Mars has puzzled scientists for forty…