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solar systems
| Question | Answer |
|---|---|
| an object that revolves around a larger object | satellite |
| an unmanned spacecraft that is send into space | probe |
| person trained to travel in space | astronaut |
| makes objects far away appear closer | telescope |
| the sun and all the objects that revolve around it | solar system |
| a large body of rock or gas that revolves around the sun | planet |
| to move around another object | revolve |
| the path that an object follows as it revolves around another object | orbit |
| a glowing ball of burning gases | star |
| what are 4 ways scientists use to study space | telescope, unmanned probes, satellites, and astronauts |
| the earth has one ____ | moon |
| what is the largest planet? | Jupiter |
| How many days does it take the moon to complete one revolution around the earth? | 29 |
| Which planet has the most rings? | Saturn |
| The spinning of an object on its axis or center. | rotation |
| An imaginary line that goes through the middoe of an object. | axis |
| the study of the universe | astronomy |
| a scientist who studies the universe | astronomer |
| a chunk of rock and metal that orbits the sun | asteroid |
| a frozen chunk of ice, dust, and rock that orbits the sun | comet |
| a huge collection of stars, gases and dust clouds | galaxy |
| the force pulling together all objects in the universe | gravity |
| a group of stars that forms a pattern | constellation |
| The sun is called a _______ because it is small. | dwarf star |
| the largest stars are called ___________ | supergiants |
| The smallest stars are called ______________ | neutron stars |
| The _________ of a star shows its surface temp. | color |
| What color star is the hottest? | blue |
| Our solar system belongs to a galaxy called the ________________ | Milky Way |
| Which galaxy looks like a flattened ball? | elliptical galaxy |
| Which galaxy looks like a pinwheel? | spiral galaxy |
| Which galaxy has no shape? | irregular galaxy |
| The North Star is part of the constellation called the _____________ | Little Dipper |
| What is another name for the Little Dipper? | Ursa Minor |
| When you are facing the North Star, you are facing __________ | north |
| What constellation is near the Little Dipper? | The Big Dipper |
| What is another name for The Big Dipper? | Ursa Major |
| What are the 3 basic needs of an astronaut in space? | food, a place to sleep, and oxygen |
| a small rock fragment from an asteroid or comet | meteoroid |
| when a meteroroid enters the earth's atmosphere | meteor |
| a meteoroid that lands on the earth's surface | meteorite |