Powerful volcanoes raise new questions about ancient Mars

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Ancient Mars was home to giant volcanoes capable of eruptions a thousand times more powerful than the one that shook Mount St. Helens in 1980, scientists said on Wednesday. The finding raises fresh questions about conditions on Mars in its early years, a time when scientists believe the planet was much more Earth-like with a thick atmosphere, warmer temperatures and water on its surface. Major volcanic eruptions likely would have triggered climate shifts that toggled Martian temperatures between cold spells when ash blocked sunlight and heat…

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Barbados Disagrees with US Report on Human Trafficking - Prensa Latina

Barbados Disagrees with US Report on Human TraffickingPrensa Latina03 de octubre de 2013, 00:06Bridgetown, Oct, 3 (Prensa Latina) Attorney General Adriel Brathwaite criticized the U.S. government for keeping Barbados on its Two Tier Watch List for huma...

Powerful volcanoes raise new questions about ancient Mars

admin

Ancient Mars was home to giant volcanoes capable of eruptions a thousand times more powerful than the one that shook Mount St. Helens in 1980, scientists said on Wednesday. The finding raises fresh questions about conditions on Mars in its early years, a time when scientists believe the planet was much more Earth-like with a thick atmosphere, warmer temperatures and water on its surface. Major volcanic eruptions likely would have triggered climate shifts that toggled Martian temperatures between cold spells when ash blocked sunlight and heat…

Next Post

Barbados Disagrees with US Report on Human Trafficking - Prensa Latina

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