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Tag Archives: faint young Sun paradox
Curiosity findings from Yellowknife Bay sharpen CO2 paradox of ancient Mars climate
Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet, the ancient sun was about one-third less warm and climate modelers struggle to produce scenarios … Continue reading
Posted in Reports
Tagged Aeolis Mons, atmosphere, CO2, Curiosity, faint young Sun paradox, Gale Crater, lakes, life, Mars Science Laboratory, Mount Sharp, MSL, NASA, Sheepbed member, water, Yellowknife Bay
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‘Faint young Sun paradox’ a problem for Mars (and Earth, too)
Astronomers say that billions of years ago when the Sun was young, it shone with only 70 percent its current brightness, notes Robert Craddock (Smithsonian Institution). If that were true of today’s Sun,
Posted in Reports
Tagged atmosphere, climate, climate change, faint young Sun paradox, fluvial channels, Kepler Observatory, LPSC 2013, valley networks, water, wind
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