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AsteriaStar
Learning path

Learn Stars

From the Sun to supergiants — how stars live, shine, and die.

In pictures

Beginner
  1. 1.1What is a star?A self-gravitating sphere of plasma.
  2. 1.2SiriusThe brightest star in the night sky.
  3. 1.3Explore starsBrowse named stars in the graph.
Intermediate
  1. 2.1How stars formGravitational collapse to fusion.
  2. 2.2BetelgeuseA red supergiant nearing its end.
  3. 2.3Stars in OrionThe stars of a famous constellation.
Advanced
  1. 3.1SupernovaeThe explosive deaths of stars.
  2. 3.2ExoplanetsWorlds orbiting other stars.
  3. 3.3Black holesWhat some massive stars leave behind.

Related entities

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Learn Galaxies →Learn Black Holes →