Stars

Question 1

What makes stars produce energy?

Revolt · Accepted Answer

nuclear fusion

Question 2

Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is the Sun. Rigel has the Sun. Rigel has a surface temperature of about .

Revolt · Accepted Answer

a higher temperature than

Question 3

Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is the Sun. Rigel has the Sun. Rigel has a surface temperature of about .

Revolt · Accepted Answer

11,000 K

Question 4

Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is the Sun. Rigel has the Sun. Rigel has a surface temperature of about .

Revolt · Accepted Answer

bigger than

Question 5

What is the approximate temperature of the supergiant Betelgeuse?

Revolt · Accepted Answer

3000 K

Question 6

The of light is the rate at which light travels through empty space, or about 300,000 km per second.

Revolt · Accepted Answer

speed

Question 7

Why can’t astronomers take a picture from inside a black hole?

Revolt · Accepted Answer

Gravity is so strong that even light cannot escape a black hole.

Stars Answers

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