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Geology (3)

Ancient Mars May Have Been Less Wet Than We Thought

gizmodo.com
Submitted 317 day(s) ago by system

Ice sheets, and not rushing rivers, sculpted many Martian valleys, according to scientists. The new research suggests ancient Mars wasn’t as warm and wet as we thought, but an expert we spoke to remains unconvinced.

4.5 mag earthquake reported near Perry | KOKH

okcfox.com
Submitted 361 day(s) ago by system

A 4. 5 magnitude earthquake has been reported by the USGSapproximately 8 km NW of Perry, Oklahoma. 207 people reported feeling the earthquake to USGS with weak shaking reported from Tulsa to Oklahoma City. A 4. 2 mag earthquake was reported 8 km NW of Perry, Oklahoma around 10:15 om 6/20/20 (Courtesy: USGS) The epicenter was estimated to be 8 km NW of Perry with a focus depth of 7. 9 km. A 4. 2 mag earthquake was reported 8 km NW of Perry, Oklahoma around 10:15 om 6/20/20 (Courtesy: USGS)

Geologist think Earth could have been a water world - Big Think

bigthink.com
Submitted 470 day(s) ago by noklpopl

In Waterworld, climate change melts the polar ice caps to drown Earth's continents in water. That's impossible, but a new study proposes Earth was once covered by a global ocean. Researchers found evidence that few to no landmasses existed 3.2 billion years ago. This suggests life emerged in the ocean, not freshwater ecosystems on land.

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