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Dr. Bruce Bettsさんのイラストまとめ


Random space facts, easy astronomy. Planetary science. Chief Scientist at Planetary Society. Children's book author. Alum @Caltech, @Stanford, @JesuitHighSac
randomspacefact.com

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Happy the Sun is directly "over" the equator, day and night are the same duration, and we begin a new season

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The 5 spacecraft (Pioneers 10&11, 1&2, ) leaving the solar system:

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