One of NASA’s four Great Observatories, Spitzer launched on Aug. 25, 2003, and has studied the cosmos in infrared light. Its breathtaking images have revealed the beauty of the infrared universe.
Spitzer made some of the first studies of exoplanet atmospheres (atmospheres of planets around stars other than our Sun). It confirmed two and discovered five of the seven Earth-size exoplanets around the star TRAPPIST-1 – the largest batch of terrestrial planets ever found around a single star. On Thursday, Jan. 30, engineers will decommission the Spitzer spacecraft and bring this amazing mission to a close.
See full article here: Spitzer project coming to a close
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Simon's Space 
Oh, that’s too bad. But at least now there’s Space Force…haha.
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Yeah, I’m not sure I feel good about that
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Yep.
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I’ll miss you, Spitzer! But you had a great run. Such a great mission.
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Wow amazing images! A shame it has to be decommissioned.
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Yes it is, but all these things have a lifetime.
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Bye-bye little guy, thanks for all your hard work. We’ll miss you.
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It’s amazing how we miss them, but these instruments give us so much.
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Our first long range pioneers, faithful to the last. Bless ’em.
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