Its a scientist that studies Astrophysics! This means they look at the physics of the Universe – how stars interact, how galaxies behave, how the solar system works, things like that.
Well ‘astro’ comes from the Greek meaning ‘star’ and ‘physis’ also comes from Greek meaning ‘nature’ and like Alexis says, an Astrophysicist is a Scientist who looks at the physics of the universe.
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