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Study
Solar System
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What is space junk?
any human-made object orbiting Earth that no longer serves a useful purpose
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What force keeps us on the surface of the planet?
gravity
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What type of galaxy (shape) is the Milky Way?
a spiral galaxy
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What color is the sunset on Mars?
blue
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We live in a galaxy called ...
the Milky Way
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Does everything in the universe orbit directly around the Sun?
no
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What is a galaxy?
a huge collection of gas, dust and stars and planets
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How many Earths could fit inside the Sun?
one million
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What other planet has liquid water?
Mars
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How long would it take to fly a plane to Pluto?
+800 years
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What is the universe?
space, matter, energy, time
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Name a man-made satellite.
the International Space Station
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How do we study the universe?
with telescopes
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What is at the center of our galaxy?
a black hole
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How many planets orbit the Sun?
8
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Name a natural satellite.
the Moon
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An object in an orbit is called a ...
satellite
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Is our Sun unique in the universe?
no
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What are comets?
leftovers from creation
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There is only one type of galaxy. True or false?
false
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Where did the universe come from?
The Big Bang
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Name the two types of satellites.
natural & man-made
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A galaxy is held together by ...
gravity
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Name a telescope!
The Hubble Space Telescope, James Webb Space Telescope
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