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We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.
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Space.com on MSNHubble and James Webb Space Telescopes show 2 sides of star cluster duo | Space photo of the day for July 10, 2025A new 527-megapixel image captures two open star clusters, NGC 456 and NGC 460, orbiting our Milky Way galaxy. The image uses ...
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