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Library
Random Astronomy
S
stargazer_x9
20 terms
Oct 19, 2025
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20
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1
Galaxy
Massive system of stars, gas, and dust
2
Milky Way
Galaxy containing our solar system
3
Solar System
Sun and all objects orbiting it
4
Planet
Celestial body orbiting a star
5
Star
Massive glowing sphere of plasma producing energy
6
Nebula
Cloud of gas and dust in space
7
Black Hole
Region where gravity is so strong nothing escapes
8
Supernova
Explosive death of a massive star
9
Asteroid
Small rocky object orbiting the Sun
10
Comet
Icy body that forms a tail near the Sun
11
Meteor
Streak of light from burning space debris
12
Meteorite
Space rock that reaches Earth's surface
13
Light Year
Distance light travels in one year
14
Orbit
Path of an object around another object
15
Gravity
Force attracting objects with mass
16
Exoplanet
Planet outside our solar system
17
Constellation
Recognizable pattern of stars in the sky
18
Telescope
Instrument used to observe distant objects in space
19
Satellite
Object orbiting a planet
20
Aurora
Natural light display near polar regions
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