Galaxy

Galaxy

Assessment

Interactive Video

Science, Physics

6th - 12th Grade

Hard

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Galaxies are vast systems of stars and dust held together by gravity. They are classified into spiral, elliptical, or irregular types. The Milky Way is a spiral galaxy. It is now believed that supermassive black holes exist at the center of every galaxy, consuming matter and releasing energy.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of supermassive black holes in galaxies.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to matter that is sucked into a supermassive black hole?

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