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niccolo filliol

Created on March 12, 2025

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Transcript

Galaxies

black holes

A black hole is a massive, compact astronomical object so dense that its gravity prevents anything from escaping, even light. Albert Einstein's theory of general relativity predicts that a sufficiently compact mass will form a black hole.

Whats a galaxy?

A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity
Types of Galaxies
  • Eliptical
  • Spiral
  • Lenticular
  • Irregular

Blue star 50.000°

White star 11.000°

Light blue star 25.000°

Yellow star 7.500°

Orange star 5.000°

Red star 3.500°

The Stars

The starts are celestial bodies that shine with their own light, they're gaseous spheres.Thanks to hydrogen and helium the stars can burn. The stars reach up to fifty thousand degradees

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