Super Earth' planet likely made of diamond

Super Earth' planet likely made of diamond

Assessment

Interactive Video

Science, Physics

11th Grade - University

Hard

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The video discusses 55 Cancri E, a planet orbiting a star in the Cancer constellation. It has a radius twice that of Earth and a mass eight times greater. The planet is believed to be covered in graphite, with a significant portion of its mass potentially made of diamond. Due to its proximity to its star, 55 Cancri E has a surface temperature of 3900°F and completes an orbit in just 18 hours. It is one of five planets in its solar system.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radius of 55 Cancri e compared to Earth?

Same as Earth's radius

Twice the radius of Earth

Three times the radius of Earth

Half the radius of Earth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mass of 55 Cancri e compared to Earth?

Same as Earth's mass

Four times Earth's mass

Eight times Earth's mass

Twice Earth's mass

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material is believed to cover 55 Cancri e?

Iron

Graphite

Water

Silicon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the surface temperature of 55 Cancri e?

1000 degrees Fahrenheit

3900 degrees Fahrenheit

5000 degrees Fahrenheit

2000 degrees Fahrenheit

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it take for 55 Cancri e to complete one orbit?

24 hours

36 hours

18 hours

12 hours