Dust in the Earth system

Dust is a powerful thing. Not the stuff that we wipe off the coffee table on a regular basis, but the tiny particles floating around in the earth's atmosphere, which originate primarily from deserts in North Africa and the ...

Mercury's surprising core and landscape curiosities

(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely altered our understanding ...

The Moon puts on camo

A new geologic map of the moon's Schrodinger basin paints an instant, camouflage-colored portrait of what a mash-up the moon's surface is after eons of violent events. The geologic record at Schrödinger is still relatively ...

An ancient 'Great Leap Forward' for life in the open ocean

It has long been believed that the appearance of complex multicellular life towards the end of the Precambrian (the geologic interval lasting up until 541 million years ago) was facilitated by an increase in oxygen, as revealed ...

Cassini sees the two faces of Titan's Dunes

(PhysOrg.com) -- A new analysis of radar data from NASA's Cassini mission, in partnership with the European Space Agency and the Italian Space Agency, has revealed regional variations among sand dunes on Saturn's moon Titan. ...

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