BlogArena

General blog about anything and everything of everyday's life.

12. Nov 2019

March 23, 2014
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NASA Orbiter Finds New Gully Channel on Mars

A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern … Continue reading

August 27, 2013
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NASA’S Mars Curiosity Debuts Autonomous Navigation

PASADENA, Calif. – NASA’s Mars rover Curiosity has used autonomous navigation for the first time, a capability that lets the rover decide for itself how to drive safely on Mars. This latest addition to Curiosity’s array of capabilities will help … Continue reading

June 13, 2013
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Marks on Martian Dunes May Be Tracks of Dry-Ice Sleds

PASADENA, Calif. — NASA research indicates hunks of frozen carbon dioxide — dry ice — may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go. Researchers deduced this process could … Continue reading

May 9, 2013
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New analysis suggests wind, not water, formed mound on Mars

A roughly 3.5-mile high Martian mound that scientists suspect preserves evidence of a massive lake might actually have formed as a result of the Red Planet’s famously dusty atmosphere, an analysis of the mound’s features suggests. If correct, the research … Continue reading

January 27, 2013
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Thawing ‘Dry Ice’ Drives Groovy Action on Mars

PASADENA, Calif. — Researchers using NASA’s Mars Reconnaissance Orbiter see seasonal changes on far-northern Martian sand dunes caused by warming of a winter blanket of frozen carbon dioxide. Earth has no naturally frozen carbon dioxide, though pieces of manufactured carbon-dioxide … Continue reading

August 3, 2012
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Taking a Robotic Geologist to Mars

As Mars rover Curiosity makes its final approach to the Red Planet, two UA geoscientists are getting ready to help solve some of the mysteries of its geologic past. On Aug. 5, at about 10:30 p.m., an already busy summer … Continue reading

May 13, 2012
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The Flowing Sands of Mars

Sand dunes on Mars move not unlike those on Earth, despite a much thinner atmosphere and weaker winds, as revealed by images taken with the UA-led HiRISE camera. NASA’s Mars Reconnaissance Orbiter, or MRO, has revealed that movement in sand … Continue reading