Related topics: carbon dioxide

Hubble brings faraway comet into view

(Phys.org) —The NASA Hubble Space Telescope has given astronomers their clearest view yet of Comet ISON, a newly-discovered sun grazer comet that may light up the sky later this year, or come so close to the Sun that it ...

New York puts its rats on ice

A snout and two little black eyes pop out from the hole, too late: A foot already covers them and the hole will be quickly filled with dry ice.

New material could help with carbon storage

New research led by University of Nebraska-Lincoln chemist Xiao Cheng Zeng has led to the discovery of a new material that could have significant implications for a variety of challenges, from carbon dioxide storage to planetary ...

Are gas-formed gullies the norm on Mars?

In June 2000, Martian imaging scientists made a striking discovery — data from NASA’s Mars Global Surveyor spacecraft found gullies on the red planet. Gullies on Earth form when water runs down steep slopes and ...

'Spiders' on Mars

Eek, spiders! All right, so it's not actually little green arachnids we're talking about here, but they are definitely spidery features. Called araneiform terrain, these clusters of radially-branching cracks in Mars' south ...

Solving the mystery of frost hiding on Mars

A new study using data from NASA's Mars Odyssey orbiter may explain why Martian frost can be invisible to the naked eye and why dust avalanches appear on some slopes.

Image: Martian sand dunes in spring

(Phys.org) —Mars' northern-most sand dunes are beginning to emerge from their winter cover of seasonal carbon dioxide (dry) ice. Dark, bare south-facing slopes are soaking up the warmth of the sun.

Latest EPOXI findings on Comet Hartley 2 published

Comet Hartley 2, is in a hyperactive class of its own compared to other comets visited by spacecraft, says a University of Maryland-led study published in the June 17 issue of the journal Science.

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