Stars

Question 1

What is the main element that stars are made of?

Revolt · Accepted Answer

hydrogen

Question 2

What causes a star to shine brightly?

Revolt · Accepted Answer

the energy that is released

Question 3

Which event takes place first in the stages before the birth of a star?

Revolt · Accepted Answer

Gravity pulls gas and dust together.

Question 4

Which characteristic is used to measure the amount of light radiated by a star?

Revolt · Accepted Answer

luminosity

Question 5

Which property of a star is closely related to its temperature?

Revolt · Accepted Answer

color

Question 6

How is the Sun classified?

Revolt · Accepted Answer

as a medium star

Question 7

Which color are the hottest stars?

Revolt · Accepted Answer

blue

Question 8

What is the initial stage of all stars?

Revolt · Accepted Answer

nebula

Question 9

Which event signals the birth of a star?

Revolt · Accepted Answer

Extreme heat and pressure causes nuclear fusion.

Question 10

What happens first when a star begins to run out of fuel?

Revolt · Accepted Answer

The star’s core shrinks.

Stars Answers