1918 in Science - Astronomy

Astronomy

  • Kiyotsugu Hirayama identifies several groups of main belt asteroids, now known as Hirayama families.
  • Harlow Shapley demonstrates that globular clusters are arranged in a spheroid or halo whose center is not the Earth, but the center of the galaxy.
  • Max Wolf discovers the star Wolf 359.
  • Heber Curtis discovers a relativistic jet of matter emerging from Elliptical Galaxy M87.

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