3rd Grade Exit Ticket 1/30

What is the main reason stars in the night sky appear smaller and less bright than the sun?

• They are made of different materials.

• They are much farther away from Earth.

• They are not as hot as the sun.

• They are smaller than the sun.

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A galaxy is (a)  

• a single star in the sky.
• a large group of stars clustered together.
• a planet orbiting a star.
• a type of telescope used by astronomers.

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Why do some stars appear brighter than others?

• They are made of different gases.

• They are closer to Earth and hotter.

• They are larger in size.

• They are part of a different galaxy.

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The name of the galaxy that our solar system belongs to is the (a)   .

• Andromeda Galaxy
• Milky Way Galaxy
• Spiral Galaxy
• Universe Galaxy

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What does the Greek root word "astron" mean?

• Universe

• Star

• Galaxy

• Light

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There are (a)   of stars in one galaxy.

• hundreds
• thousands
• millions
• billions

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The shape of the Milky Way Galaxy when viewed from space is a _____

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What is the nearest spiral galaxy to the Milky Way Galaxy?

• Orion Galaxy

• Andromeda Galaxy

• Pegasus Galaxy

• Centaurus Galaxy

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The Andromeda Galaxy is (a)   from the Milky Way Galaxy.

• millions of miles
• billions of miles
• thousands of miles
• hundreds of miles

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What do astronomers study?

• Planets only

• Stars and outer space

• Oceans and seas

• Mountains and valleys

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