Some of the evidence is based
on radar reflections, which detect roughness at the sea surface.
Not exact matches
Essam Marouf, a planetary scientist at San José State University in California, reported
on the first results from a separate
radar experiment that sent
radar reflections to Earth instead of back to the spacecraft.
A THIN plating of metallic compounds may explain puzzling
radar reflections from the mountains
on Venus, say planetary scientists at Washington University in Saint Louis.
Astronomers used the example of Mars» ice caps to analyze the
radar reflections seen
on Mercury and propose that those, too, were caused by ice trapped in eternally - dark craters
on that otherwise hot world.