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It is a barred spiral galaxy containing our Solar System.
Andromeda Galaxy.
The study of the Universe's origin and structure.
The increase in distance of celestial bodies.
It explains the Universe's origin from an explosion 13.8 billion years ago.
It describes the formation of the Solar System from a giant cloud of dust and gas.
Objects in space, including stars, planets, and moons.
Luminous bodies emit their own light; non-luminous bodies reflect light.
A measure of distance equal to 9.63 trillion kilometers.
It explains how planets formed from small solid objects in the Solar System.
Hydrogen (73%) and Helium (25%).
Terrestrial planets are rocky; jovian planets are gas giants.
It is the closest and smallest planet in the Solar System.
Due to its similar mass and size.
It supports life and has abundant water.
Its red color from iron oxide and the largest volcano, Olympus Mons.
It has prominent rings and is the least dense planet.
It is the largest planet with a short rotation period.
It is the largest moon of Saturn and may support life.
Most rotate counterclockwise, except Venus and Uranus.
They burn up and create shooting stars.