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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: 3, Insightful) by ikanreed on Tuesday December 11 2018, @06:56PM
It's almost like hydrogen and oxygen are really fucking common elements, super reactive(especially with eachother) in their pure forms, and one of their most stable chemical configurations is 1 O stuck to two H.
I know it's cool to find water and all, but I also wonder what astronomers think happen to all the elemental oxygen dead stars spewed out into primordial solar systems.