BlogArena

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

10. Dec 2019

May 9, 2016
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Tidal forces explain how an icy moon of Saturn keeps its ‘tiger stripes’

The persistence of the massive, explosive fissures on the surface of Saturn’s sixth-largest moon, Enceladus — despite the moon’s astoundingly frigid surface — have remained a mystery for 11 years. Researchers from Princeton University and the University of Chicago show, … Continue reading

January 13, 2014
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Book explains astrobiology for a general audience

In the late 1990s, the University of Washington created what was arguably the world’s first graduate program in astrobiology, aimed at preparing scientists to hunt for life away from Earth. In 2001, David Catling became one of the first people … Continue reading

December 25, 2013
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Cassini Sees Saturn and Moons in Holiday Dress

This holiday season, feast your eyes on images of Saturn and two of its most fascinating moons, Titan and Enceladus, in a care package from NASA’s Cassini spacecraft. All three bodies are dressed and dazzling in this special package assembled … Continue reading

August 2, 2013
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How Did Earth’s Primitive Chemistry Get Kick Started?

How did life on Earth get started? Three new papers co-authored by Mike Russell, a research scientist at NASA’s Jet Propulsion Laboratory, Pasadena, Calif., strengthen the case that Earth’s first life began at alkaline hydrothermal vents at the bottom of … Continue reading

August 1, 2013
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Water Geysers on Saturn’s Moon

A new study published in Nature this week describes the forces that control the jets of water and organic material that erupt from the icy surface of Enceladus, a moon of Saturn. UA scientists contributed data to the study. The … Continue reading

June 24, 2011
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Strongest Evidence yet indicates Icy Saturn Moon hiding Saltwater Ocean

Samples of icy spray shooting from Saturn’s moon Enceladus collected during Cassini spacecraft flybys show the strongest evidence yet for the existence of a large-scale, subterranean saltwater ocean, says a new international study led by the University of Heidelberg and … Continue reading

December 15, 2010
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Cassini Spots Potential Ice Volcano on Saturn Moon

PASADENA, Calif. — NASA’s Cassini spacecraft has found possible ice volcanoes on Saturn’s moon Titan that are similar in shape to those on Earth that spew molten rock. Topography and surface composition data have enabled scientists to make the best … Continue reading