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from the water+solar+electrolysis=rocket-fuel-and-oxidizer dept.
The OSIRIS-REx spacecraft, which "arrived" at the asteroid Bennu on December 3 but has been slowly approaching it for weeks, has found evidence of Bennu's interaction with liquid water in the past:
In a conference today, scientists announced that OSIRIS-REx has found evidence of hydrated minerals on the surface of Bennu using its on-board spectrometers - tools used to determine the exact chemical composition of a specific spot.
That means "evidence of liquid water" in Bennu's past, according to Amy Simon, the scientist overseeing OSIRIS-REx's spectral analysis.
"To get hydrated minerals in the first place, to get clays, you have to have water interacting with regular minerals," says Simon. "This is a great surprise."
And they're abundant, too. There's "strong convincing, evidence that the surface is dominated by these hydrated minerals," according to Dante Lauretta, leader of OSIRIS-REx's sample return mission, leading the team to believe Bennu is "water rich".
(Score: 0) by Anonymous Coward on Tuesday December 11 2018, @09:39PM (1 child)
Go to NASA and look at the the gif of this object:
https://www.nasa.gov/sites/default/files/thumbnails/image/bennu_rotation_20181104.gif [nasa.gov]
It looks like dice from a satanic role playing game. God does not play dice, this is man/demon made.
(Score: 0) by Anonymous Coward on Wednesday December 12 2018, @01:49AM
Looks like a squashed sphere. Since it is spinning, centripetal forces are causing it to bulge at its equator.