the life cycle of stars

Question 1

what is the saying to remember the first life cycle

Answer 1

Some Prosititues Make Ridiculous Wives

Question 2

what is the second saying for the life cycle

Answer 2

Some Prosititues Get Really Sick Because of Nerves

Question 3

what forms the protostar

Answer 3

gas and dust spiralling together

Question 4

what forms the main star sequence

Answer 4

• gravitational potential is converted to heat, the temperature rises
• when its hot enough, hydrogen nuclei undergos nuclear fusion to form a helium nuclei, this is the star

Question 5

how are the red giant and red super giant formed

Answer 5

• when hydrogen runs out from the main sequence
• heavier elements, e.g iron, are made by nucleur fusion.
• it is red because the surface cools

Question 6

what is the planetary nebula made from

Answer 6

dust and gas as an outer layer from an unstable star

Question 7

what two steps form the plentary nebula

Answer 7

red giant and red super giant

Question 8

what is the white dwarf formed from

Answer 8

a hot dense solid core which can cool to form a black dwarf

Question 9

what forms a supernova

Answer 9

-when stars explode and form heavy elements, such as iron, to form new planets and stars

Question 10

what forms the neutron star

Answer 10

the dust and gas from the supernova, if its big enough it forms the black hole