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A greatAstronomical distance ladder variety of objects populate our incredibly large universe, but we can hardly notice them with the unaided eye in the night sky, because they are extremely distant.

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The Cosmic Zoo: From Our Solar System to Distant Galaxies

  • 章节

  • 发表日期：

    2025年

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  • Amri Wandel,
  • Joseph Gale

摘要

A greatAstronomical distance ladder variety of objects populate our incredibly large universe, but we can hardly notice them with the unaided eye in the night sky, because they are extremely distant.