Astronomy Amazing Space Facts for Pc

1. Galaxies - A galaxy is a massive, gravitationally bound system that consists of stars, stellar objects, such as brown dwarfs and neutron stars, nebulae, an interstellar medium of gas and dust, black holes, and an unknown component of dark matter.

2. The Andromeda Galaxy - is the closest large galaxy to the Milky Way and is one of a few galaxies that can be seen unaided from the Earth.

3. The interstellar medium - Also ISM is the matter that exists in the space between the star systems in a galaxy.

4. In approximately 4.5 billion years the Andromeda Galaxy and the Milky Way are expected to collide and the result will be a giant elliptical galaxy.

5. Kepler's laws of planetary motion and interesting facts about Kepler - In astronomy, Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

6. Planets in solar system - Planets are among the many worlds and smaller objects that orbit the Sun.

7. Mars Facts - Mars is the fourth planet from the Sun and is the second smallest planet in the solar system.

8. Orbits - In our solar system, the moon orbits around Earth.

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