What is the Milky Way galaxy?

Asked on 19.10.2018 in All Questions.
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The Milky Way galaxy contains the solar system which is where Earth is located. Officially there are eight planets orbiting the sun as of 2006 due to Pluto being announced as a dwarf planet by the International Astronomical Union. Astronomers have noticed that most stars have at least one planet orbiting them. -An exoplanet is a planet which orbits a star out with the solar system; they are also called extrasolar planets. -Irradiance is the change of radiant energy per unit area. -Transit...
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