Spica, the brightest star of Virgo, is in good view at dawn tomorrow, below the last-quarter Moon. About 2,000 years ago, an astronomer used Spica to discover that the starry background shifts position relative to the Sun.
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Spica, the brightest star of Virgo, is in good view at dawn tomorrow, below the last-quarter Moon. About 2,000 years ago, an astronomer used Spica to discover that the starry background shifts position relative to the Sun.