Life Cycle of the Sun

90% of stars (including the Sun) are in this stage of their life cycle. It is stable and fusing hydrogen.

• Main Sequence

• White Dwarf

• Red Giant

• Black Hole

Tags

NGSS.HS-ESS1-1

The stage after main sequence for a small to medium mass star like our sun when nuclear fuel begins to run out. In this stage the sun will expand and engulf the Earth.

• Red Giant

• White Dwarf

• Supernova

• Black Hole

A young star born in a nebula that is just starting to glow. Our Sun began this way.

• Planetary Nebula

• Black Hole

• Protostar

• Neutron Star

Our sun is currently in what star stage?

• Protostar

• Nebula

• Main Sequence

• Red Giant

Tags

NGSS.HS-ESS1-1

All stars begin their life as a

• Main Sequence

• Nebula

• Protostar

• Black Dwarf

Tags

NGSS.HS-ESS1-3

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

• White Dwarf

• Blue Supergiant

• Red Supergiant

• Black Hole

The stage after the main sequence star:

• red giant

• nebula

• white dwarf

• black dwarf

What will the Sun become at the end of its life cycle?

• Red Giant

• White Dwarf

• Neutron Star

• Black Hole

What will happen during the Sun's Red-Giant-Branch (RGB) phase?

• It will turn into a black hole

• It will shrink in size

• It will become less luminous

• It will ignite helium in a helium flash

Tags

NGSS.HS-ESS1-3

How long will the Sun's active life last once it reaches the Red-Giant-Branch phase?

• 120 million years

• 1 billion years

• 10 million years

• 500,000 years

Tags

NGSS.HS-ESS1-1