Stellar Remnants

A ____ star with a mass of 1.4 suns may go supernova (I) if too much material accretes.

• white dwarf

• red dwarf

• red giant

• neutron

Tags

NGSS.HS-ESS1-3

Type II supernovae occur when a star with at least ____ times the mass of our sun explodes.

• 1.4

• 1.5

• 3

• 8

Tags

NGSS.HS-ESS1-3

Type II supernovae explosions may leave behind a

• neutron star

• black hole

• pulsar

• white dwarf

Tags

NGSS.HS-ESS1-3

Neutron stars are formed when gravity squeezes electrons & _____ into neutrons in a supernova.

• protons

• isotopes

• quarks

• matter

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Neutron stars are between 1- 3 solar masses and are compacted into an area

• the size of Earth.

• about the size of a large country.

• the size of the Sun.

• about the size of a city.

_____ are rapidly spinning neutron stars that are known as "lighthouses" in space.

• Quasars

• White dwarfs

• Pulsars

• Black holes

Tags

NGSS.HS-ESS1-3

Most Pulsars have ______

• slowed down a lot over the years.

• very strong magnetic fields.

• sped up over the years.

• very weak magnetic fields.

The area or boundary in which nothing can return from a black hole is called

• the singularity.

• Interstellar.

• the path of no return.

• the event horizon.

The ____ radius describes the size of the event horizon (which is black hole mass dependent).

• Hawking

• inner

• outer

• Schwarzschild

Tags

NGSS.HS-PS2-4

A white dwarf is the final stage for _________ mass stars like our Sun.

• low

• high