Scientists confirm existence of new 'waterworld' planet GJ1214B

Scientists confirm existence of new 'waterworld' planet GJ1214B

Assessment

Interactive Video

Science, Physics

11th Grade - University

Hard

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The video discusses the exoplanet GJ1214B, which is a water world with a thick, steamy atmosphere. It is about 2.7 times the Earth's diameter and has a mass seven times greater. Observations using the Hubble telescope suggest that a significant portion of the planet's mass is composed of water.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the atmosphere of Exoplanet GJ1214B.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the composition of a large fraction of GJ1214B's mass?

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