Apr 3 - Mysterious Streaks on Mars

April 3 Mysterious Streaks on Mars by:

Did deep groundwater cause these mysterious dark streaks on Mars? Mars is a cold, dry desert, but a new study provides tantalizing evidence for liquid water deep below its surface. If it exists, this Mars groundwater might cause the weird dark streaks in Martian craters and canyons. Read more. See Mars via images from ExoMars orbiter These images from ESA's ExoMars orbiter show Mars in all of its diverse geological wonder. Also, if you look carefully, you can spy NASA's newest Mars mission, the InSight lander! See images. What makes famous Blood Falls red? A new study on Antarctica’s Blood Falls reveals the origins of its unique bright red discharge, info that might help in the search for life elsewhere in our solar system. Read more.

Thanks, everybody, for a great 2019 crowd-funder.

Tonight … Star-hop to the Coma star cluster Long ago, the Coma star cluster represented the Lion's tufted tail. Today, we know it as an open star cluster, whose stars were born together and are still loosely bound by gravity. Read more.

See it! Mars meets the Sisters Red Mars has been exceedingly close - and is still close - to the Pleiades star cluster, aka the Seven Sisters. This photo - from Dr Ski in Valencia, Philippines - shows Mars and the Pleiades on March 30. Click in for more EarthSky Community photos showing them in the west after sunset, where you can see them for some nights to come.  Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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