Thank you, Swift! ❤️
Though the Neil Gehrels Swift Observatory's mission is at an end, its legacy and extensive collection of data will remain.
Swift's discoveries, and the work completed in tandem with Hubble, advanced astrophysics in so many ways. Learn more ⬇️
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Science operations for our Neil Gehrels Swift Observatory have now ended.
With the spacecraft orbiting less than 171 miles (275 kilometers) above Earth, atmospheric drag prevents the satellite’s telescopes from steadily gazing at their cosmic targets. 🧵
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