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Curated category

Circumstellar disks

  • Oort cloudIn 1950, the Dutch astronomer Jan Oort presented a radical idea to explain the origin of long-period comets. He proposed that these icy bodies resided in a…
  • VegaOn the 17th of July 1850, William Bond and John Adams Whipple captured a daguerreotype image of Vega at the Harvard College Observatory.