Stellar Explosions & Remnants

Term for "new star" that occurs in mass-transfer binary and/or white dwarf companion stars.

• supernova

• stella nova

• pulsar

• neutron star

As material is added to the accretion disk, _____ may reach a temporary fusion point.

• pressures

• electron degeneracy

• temperatures

• matter

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Contact binaries may allow a white dwarf star to repeat

• electron degeneracy pressure.

• Roche lobe overload.

• flashes.

• explosions.

Tags

NGSS.HS-ESS1-3

A supernova occurs when a _____ star runs out of fuel (or overloads) and explodes.

• sun-like

• single

• massive

• double

Tags

NGSS.HS-ESS1-3

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

Supernova 1987(a) occurred in this nearby galaxy 186,000 light years away.

• Andromeda

• Small Magellanic Cloud (SMC)

• Large Magellanic Cloud (LMC)

• M16

Tags

NGSS.HS-ESS1-3

Supernovae regularly occur in galaxies throughout the visible Universe.

• True

• False

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