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The Universe: An Introduction
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Fill the gap: The .......... is everything that exists in space.
Universe!
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True or False: Stars are all the same colour.
False: Their colours differ depending on their temperature.
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Earth is located in one of the galaxy's arms. What is it called?
The Orion's Arm.
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True or False: Stars are giants spheres of gas that produce energy.
True!
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What are the three sizes of stars?
Dwarf, giant and supergiant.
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Name 3 things that are included in a galaxy.
Stars, planets, gas clouds and rock fragments.
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Which galaxy does the earth belong to?
The Milky Way!
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Finish the word: The brightness of the star depends on their Lu........
Luminosity
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True or false: Galaxies can be different shapes.
True! They can be spiral, elliptical or irregular.
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Finish the sentence: We can see stars because of their.............
Brightness!
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True or False: Constellations are individual stars in the sky.
False! They are groups of stars that form shapes in the sky.
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What is the name of the big explosion that formed the Universe 15 billion years ago?
The Big Bang!
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