Jonathan McDowell, Discover and Read the Best of Twitter Threads by @planet4589

Jonathan McDowell

planet4589

I mention this in the latest JSR but I don't think I talked about it on twitter. During launch of the CZ-5B/Tianhe, about 6 minutes after Tianhe and the CZ-5B

The EU SST prediction is narrow enough that we can start to talk about location now!In particular, none of the orbits within the predicted window cross the northwestern US or

Chinese media via Reuters: https://www.reuters.com/article/space-exploration-china-rocket/debris-from-china-space-rocket-likely-to-fall-in-international-waters-global-times-idUSL1N2MS1TAI have some comments: "likely to fall in internat

The Chang'e-5 lunar sample return mission is pretty complicated. The spacecraft has a lot of sub-pieces and the mission has a lot of phases. I am going to take a

Historical dive: Many of the nearby faint dwarf stars were discovered by University of Minnesota astronomer Willem Luyten (1899-1994) who published a lot of his data in a long preprint

Here are all the actual satellites in orbit in this range of heights and inclinations (green = working, red = dead). See how they are almost all right on the

Statistics PSA: We're about to enter a depressing phase where in various communities we get a one-day "ooh, the rate went down, hooray" followed by ":-( the rate went up