Remember that time when you spotted the remains of an exploded star that no one had identified before and Chandra followed up, revealing superheated debris? Together we helped scientists understand one of the youngest remnants in our galaxy, G306.3. We'll miss you, Swift!💜
NASA Universe @NASAUniverseScience 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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