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How Earth moves with the Sun around the Milky Way

The video explains why the familiar flat orbit diagram is a Sun-centered view and shows how Earth and the other planets move ...

NASA’s Swift Observatory has burned up in the atmosphere – the indispensable telescope helped astronomers track fast‑moving events in space

The Swift Observatory allowed astronomers to study events that happen quickly in the universe, such as stars exploding.
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NASA’s Swift Observatory is about to burn up in the atmosphere – the indispensable telescope helped astronomers track fast-moving events in space

The Swift Observatory allowed astronomers to study events that happen quickly in the universe, such as stars exploding.