Tag Archive for 'Atmosphere'

This is an artist's concept of NASA's Mars Science Laboratory spacecraft approaching Mars. The Curiosity rover is safely tucked inside the spacecraft's aeroshell. Image credit: NASA / JPL-Caltech.

Curiosity Finds No Methane in Atmosphere of Mars

Sep 20, 2013 by News Staff

NASA scientists reported Thursday that the Mars rover Curiosity has not found any clear signs of methane, a gas that on our planet is a strong indicator...

This artist's impression shows how Gliese 1214b may look as it transits its parent star. Image credit: NAOJ.

Super-Earth Gliese 1214b Has Water-Rich Atmosphere, Japanese Astronomers Say

Sep 5, 2013 by Enrico de Lazaro

Astronomers from Japan using NAOJ’s Subaru Telescope have found that the extrasolar planet Gliese 1214b has a water-rich atmosphere. This artist’s...

Water-carved valley on Mars. The researchers have found that some of these valleys appear to have been formed by orographic precipitation - rain or snow that falls when moist air is pushed upward by mountain ridges or raised crater rims. The findings suggest that at least some of the water on ancient Mars fell from the atmosphere, rather than bubbling up from the subsurface (NASA)

Water-Carved Valleys Point to Ancient Snowfalls on Mars

Jul 24, 2013 by News Staff

According to a new study published online in the Geophysical Research Letters, some water-carved Martian valleys appear to have been caused by runoff from...

No Rain on Nearby Exoplanet

Jul 11, 2012 by Sergio Prostak

An international team of astrophysicists using NASA’s Hubble Space Telescope has detected meteorological variations in the atmosphere of the exoplanet...

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