The streak of light caused when a meteoroid enters a planetâs atmosphere and starts to burn from the heat of friction.
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25
Dwarf Planet
Objects that are round and orbit the sun, just like planets do. But unlike planets, dwarf planets are not able to clear their path around the sun.
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20
Magnetic Field
The space around a magnet where the magnetic force is active. Earth has a magnetic field and its extension into space helps protect us from space weather.
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25
Earth
The third planet from the sun (hey, you live there!)
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15
Asteroid
Rocks floating around in outer space
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10
X-Rays
Radiation with lots of energy made by very hot gases, stars, neutron stars, and gas around black holes.
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eraser
Reset score!
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rocket
Go to first place!
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shark
Other team loses 5 points!
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lifesaver
Give 20 points!
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10
Supernova
The explosion of a star that makes it as bright as a whole galaxy.
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20
Atmosphere
The gasses held by gravity around Earth and around other planets
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20
Galaxy
A collection of thousands to billions of stars held together by gravity. The galaxy we live in is called the Milky Way.