Aug 8 - Mega-Tsunami on Ancient Mars?

August 8 Mega-Tsunami on Ancient Mars? by:

Artist's concept showing a proposed Mars ocean, some 4 billion years ago. According to some researchers, the young planet Mars then would have had enough water to cover its entire surface in a liquid layer about 500 feet (140 meters) deep. But it's more likely the liquid would have pooled to form an ocean occupying almost half of Mars’s northern hemisphere, in some regions reaching depths greater than a mile (1.6 km). Read more. Image via ESO/M. Kornmesser.

A mega-tsunami on ancient Mars? It's likely Mars was once a water world with rivers, lakes and maybe even an ocean. New research lends support to the possibility that an asteroid slammed into Mars' ocean 3.5 billion years ago, creating a vast tsunami. Read more. Look around from Mars rover’s point of view After 7 years on Mars, the Curiosity rover captured this 360-degree, interactive panorama on June 18. Look around. What we’re reading From The Washington Post .... Here’s how the hottest month in recorded history unfolded around the world On Monday, scientists said July 2019 was the warmest month Earth has experienced since record-keeping began more than a century ago. How hot was it? Read more.

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Next few evenings … Moon, Antares, Jupiter On Thursday evening, the dark side of the waxing moon points in the direction of the star Antares and the king planet Jupiter. You won't have any trouble distinguishing the star from Jupiter. The king planet outshines Antares by over 20 times. Read more.

Butterfly trio Crystal Kolb captured these 3 butterflies along a pathway behind her house in Bedford, Pennsylvania, this past Saturday morning. Thanks, Crystal!  Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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