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Sagittarius A*

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1974
Radio source discovered
2002
Star S2 orbit confirms supermassive black hole
2020
Genzel & Ghez win Nobel Prize
2022
Event Horizon Telescope images its shadow

Cosmic Explorer Navigation Matrix

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Learn the Science: Read our complete educational breakdown on Coronal Holes.Historical Archive: Track past occurrences of this cosmic phenomenon.Live Telemetry: Jump to the real-time Kp index & solar wind command matrix.

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Space Weather 101 — The Complete Beginner's GuideLearn the science

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