BlogArena

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

14. 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

September 12, 2014
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Voyager Map Details Neptune’s Strange Moon Triton

NASA’s Voyager 2 spacecraft gave humanity its first close-up look at Neptune and its moon Triton in the summer of 1989. Like an old film, Voyager’s historic footage of Triton has been “restored” and used to construct the best-ever global … Continue reading

May 1, 2014
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Solar System’s Edge Redefined

Washington, D.C.—The Solar System has a new most-distant member, bringing its outer frontier into focus. New work from Carnegie’s Scott Sheppard and Chadwick Trujillo of the Gemini Observatory reports the discovery of a distant dwarf planet, called 2012 VP113, which … 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

December 12, 2013
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Hubble Sees Evidence of Water Vapor at Jupiter Moon

NASA’s Hubble Space Telescope has observed water vapor above the frigid south polar region of Jupiter’s moon Europa, providing the first strong evidence of water plumes erupting off the moon’s surface. Previous scientific findings from other sources already point to … Continue reading

December 7, 2013
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NASA’s Cassini Spacecraft Obtains Best Views of Saturn Hexagon

Embedded video from NASA Jet Propulsion Laboratory California Institute of Technology NASA’s Cassini spacecraft has obtained the highest-resolution movie yet of a unique six-sided jet stream, known as the hexagon, around Saturn’s north pole.

September 18, 2013
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How Do We Know When Voyager Reaches Interstellar Space?

Whether and when NASA’s Voyager 1 spacecraft, humankind’s most distant object, broke through to interstellar space, the space between stars, has been a thorny issue. For the last year, claims have surfaced every few months that Voyager 1 has “left … 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