Andrew Kuchling is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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NASA's Rossi X-Ray Timing Explorer, launched in 1995, is re-entering the atmosphere today, probably within the next 2 hours.
Science operations ended in 2012. My wife's 2008 thesis involved a database of #RXTE observations.
You can track the satellite in real-time: http://www.satflare.com/track.asp?q=23757
