Thursday 6 August 2020
mars questions
A solar system is a bunch of planets and the sun all grouped together.
A milky way is a galaxy and a galaxy is a bunch of solar systems.
A star is a bunch of gas mostly helium and hydrogen.
Nebula is dust and gasses mostly helium and hydrogen.
A star takes million's of years to die but when it does it means that the sun has burned all its hydrogen fuel. they also explode.
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