Stars

Question 0

What process does a star use to create its energy

Answer 0

Thermonuclear fusion

Question 1

Define star

Answer 1

A massive luminous sphere of plasma that is held together by its own gravity

Question 2

What is the primary fuel for that process?

Answer 2

Hydrogen

Question 3

What can commission spectra tell us about stars?

Answer 3

What elements it contains

Question 4

How stars born?

Answer 4

Clouds of gas condense

Nebula

Question 5

What is the “birth line”?

Answer 5

The process of beginning the fusing hydrogen

Question 6

List the steps in phase 1 of a staler lifecycle (small to medium stars)

Answer 6

Birth, average, red giant, planetary nebula, white dwarf

Question 7

List the steps in phase 2 of a stellar lifecycle.

Large to giant stars

Answer 7

Birth, massive, red supergiant, supernova, neutron or black hole

Question 8

What is the relationship between the stellar lifecycle and the generation of heavy elements

Answer 8

Path 2 makes heavier elements

Question 9

Describe a black hole?

Answer 9

Regions of ultra dance remains of a star are compressed into a tiny space that gravity is so strong nothing can escape

Question 10

What does Hertzberg – Russell diagram show

Answer 10

The temperature and luminosity of a star

Question 11

Describe the main sequence of stars

Answer 11

They are the average stars