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AsteriaStar
Learning path

Learn Galaxies

From the Milky Way to the deep field — the great systems of stars.

In pictures

Beginner
  1. 1.1What is a galaxy?A gravitationally bound system of stars.
  2. 1.2Explore galaxiesBrowse galaxies in the graph.
  3. 1.3Galaxy vs nebulaTwo different deep-sky objects.
Intermediate
  1. 2.1Deep-sky objectsGalaxies, nebulae, and clusters.
  2. 2.2Messier objectsThe classic deep-sky catalogue.
  3. 2.3Observed by James WebbWhat Webb studies.
Advanced
  1. 3.1Black holesThe engines at galactic centers.
  2. 3.2Explore deep skyThe objects beyond the Solar System.
  3. 3.3QuasarsBrilliant active galactic nuclei.

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