Constellations, Stars, and Telescopes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What makes a refracting telescope different from a reflecting telescope? | A refracting telescope has 2 lens to direct light. A reflecting telescope has 1 lens and 2 mirrors to direct light.
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| What's the purpose of a lens? | To focus/direct light
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| True or False: A planet is a huge globe of hot gases that shines by its own light. | False. Planets do not produce their own light. Instead, planets reflect the sun's light.
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| How is earth's rotation measured? | 24 hrs. or 1 day
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| What is the difference between earth's rotation and revolution? | Earth's rotation occurs each day. Earth makes one full turn on its axis. Earth's revolution occurs each year. The earth makes one full orbit around the sun.
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| Is our sun a star or planet? | Star
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| What is the name of the powerful telescope that orbits earth in space? | The Hubble Space Telescope
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| Who was Galileo? | A famous scientist who developed one of the first telescopes.
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| A group of stars that forms a pattern in the night sky is called...? | A constellation
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| Earth's axis points toward this star that, unlike other stars, doesn't seem to move. | Polaris
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| What do we call a piece of a comet or asteroid that hits earth's atmosphere and burns up? | A meteor
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| When a meteor doesn't burn up by earth's atmosphere and it ends up striking earth, we call it a...? | Meteorite
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| A large ball of ice, dust, and rock particles that moves in an elliptical orbit around the sun is called a...? | Comet
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| This type of telescope is more common because it creates a clearer picture of the object and it is easier to create larger mirrors than larger lens. | Reflecting telescope
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| Ursa Major is a scientific term for what well known constellation? | The Big Dipper
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| Do planets or stars move? | Planets
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| Are planets closer to earth or stars (other than the sun)? | Planets
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| Thinking about size, which are larger: planets or stars? | Stars
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| What causes the sun to rise in the east and set in the west? | Earth's rotation around its axis.
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| True or False: Earth is the center of our solar system. | False. The sun is the center of our solar system since all planets orbit around it.
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| A comet travels in an elliptical orbit around the sun. What's an elliptical orbit look like? | A stretched out oval.
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| Do comets orbit around the sun frequently? | No. The most well known comet, Haley's comet, orbits the sun every 76 years.
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Created by:
wahlenm
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