ON Life Cycle of Stars and HR Diagram Unit 5 - Jaclyn Pessel | Biblioteka

1

Stars are formed from big clouds of gas and dust is known as:

dust cloud

nebulae

neutron clouds

space fog

1

microscopic adhesion

gravity

thermal expansion

singularities

1

a nebula becomes a protostar

nuclear fusion starts

hydrogen is used up in fusion processes

gases in a nebula condense

1

1

Regulus

Pollux

1

Procyon

Canopus

1

Blue Giant

Red Giant

White Dwarf

Yellow Supergiant

1

They have different luminosities

Sirius B is a lower temperature than Spica

Sirius B is a white dwarf and Spica is a main sequence star

The color is random.

1

Its distance from Earth

Its temperature and luminosity

Its age and color

Its chemical composition