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Interesting facts about space.

Last night there was a full moon. One of my dogs was very on edge, starting at every sound, staring out into the darkness at something I could neither hear nor see. The other 4 dogs were sound asleep. Did she sense something different about the moonlit night?



and here is another

Methane and nitrogen present in Titan's atmosphere react together to create a variety of organic materials. Many planetary scientists think the heaviest materials somersault down to the surface of hydrocarbon-slashed Titan. Dr. Le Gall and her team propose that when those compounds splash into the sea, either by directly falling from the air as hydrocarbon rain, or through Titan's rivers, some are dissolved in the liquid methane. The compounds that do not dissolve, such as nitrites and benzene, sink down into the floor of this exotic sea.



and finally

But ongoing studies about lunar chemistry are showing that it may be much wetter than planetary scientists initially hypothesized. In fact, these wetter conditions conflict with some aspects of the Giant Impact theory.

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However, the new findings also mean that scientists must come up with other explanations for why Earth's Moon is depleted of potassium, sodium, and other volatile elements. Additional explanations for this exist. One possible alternative explanation is that the volatile elements contained within the disk showered down onto the proto-Earth instead of escaping, or being part of lunar formation. Another explanation is that these volatile elements were part of our Moon when it first accreted from the post-collision disk but were later lost.



In order to do precisely that, Dr. Li and Dr. Milliken used laboratory-based measurements of samples returned from the Apollo missions, combined with a detailed temperature profile of the areas of interest on the lunar surface. Using the new thermal correction, the two astronomers studied the data derived from the Moon Mineralogy Mapper, which is an imaging spectrometer that was carried aboard India's Chandrayaan-1 lunar orbiter.



"The growing evidence for water inside the Moon suggest that water did somehow survive, or that it was brought in shortly after the impact by asteroids or comets before the Moon had completely solidified," explained Dr. Li in the July 24, 2017 Brown University Press Release. "The exact origin of water in the lunar interior is still a big question," he added.