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42: Gender Complexity, Mars Water Deja Vu, and Pigeons

Let's Learn Everything!

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The Future of Water on Mars

Both NASA and the ESA are planning a sample return mission that could return a piece of Mars to Earth for the first time ever as early as 2033. Pluto was discovered at the low observatory in 1930, but 15 years earlier, astronomer Thomas Gill actually took the first image of Pluto at the telescope. It is so classic in astronomy that this phenomena actually has a name: pre-covery or pre-discovery recovery. So there was a supernova a couple of weeks ago. It's the closest we've ever had. Oh, really? It's in the the pinwheel galaxy. I'm sorry.

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