Tuesday, 5/25/21 - Life Cycle of a Star

All stars begin their life as a

• Main Sequence

• Nebula

• Protostar

• Black Dwarf

The life cycles of stars are determined by their:

• mass (size)

• color

• distance from Earth

• how bright they are

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• friction

A gigantic explosion that causes the death of a large star is called

• pulsar
• red giant 
• supernova
• black hole

A ________ is an object so dense with so much gravity that even light cannot escape.

• neutron star

• white dwarf

• black hole

• black dwarf

The core of a Red Giant collapses and becomes a ___________________.

• White Dwarf
• Blue Supergiant
• Red Supergiant
• Black Hole

This is an image of the first stage in the formation of a star, also known as a ....

• Main Sequence

• Planetary Nebula

• Supernova

• Nebula

The stage after the main sequence star:

• red giant

• nebula

• white dwarf

• black dwarf

The super red giant ends its life as a massive explosion called

• supernova

• planetary nebula

• constellation

• black dwarf