Astrophysics

Question 1

Life cycle of a star (big star)
Much bigger than the sun

Answer 1

Nebula , protostar ,high mass star , red supergiant , supernova , neutron star , black hole

Question 2

Life cycle of a star (small star) like the sun

Answer 2

Nebula , protostar ,low mass star , red giant , planetary nebula , white dwarf , black dwarf

Question 3

The Big Bang

Answer 3

Universe began small hot and dense
Exploded and is continuing to expand

Question 4

Red shift

Answer 4

The faster an object is moving away the redder it appears
As it moves away the wavelength of light gets longer

Question 5

Creation of elements

Answer 5

All stars Fuse hydrogen nuclei into helium in nuclear fusion

Larger stars fuse hydrogen nuclei into lithium and other light metals

Supernovae produces enough energy for hydrogen nuclei to form elements heavier than iron

Question 6

Orbits

Answer 6

If the radius of the orbit decreases the speed increases
If the radius increases the speed decreases