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04:58
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Q: How does IXPE measure polarization, and why does it have three identical X-ray telescope telescopes?

uhohFrom The Observatory: Anyone who missed any of the AAS 239 press conferences can see them on the AAS Press Office's YouTube channel! Here's the full program. From there I found the Monday, January 10, 2022 presentation NASA’S Newest X-Ray Eyes: an Update on the Imaging X-ray Polarimetry Explore...

05:29
"And just for fun - a Planet SkySat captured video today of @SpaceX's Falcon 9 first stage booster back on the ground after its 10th trip to space!" I can't figure out where the spent first stage is exactly in this video.

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