Astronomy Stars and Stellar Evolution 3

Question 1

What is the final fate of a low-mass star like the Sun?

Accepted Answer

A white dwarf

Answer

A black hole

Answer

A neutron star

Answer

A supernova remnant

Question 2

A planetary nebula is produced by which type of star?

Accepted Answer

A dying low-to-medium-mass star

Answer

A newly formed protostar

Answer

A massive star exploding as a supernova

Answer

A binary black hole

Question 3

What supports a white dwarf against further gravitational collapse?

Accepted Answer

Electron degeneracy pressure

Answer

Ongoing hydrogen fusion

Answer

Radiation pressure from fusion

Answer

Magnetic levitation

Question 4

The Chandrasekhar limit is the maximum mass of what object?

Accepted Answer

A white dwarf

Answer

A red giant

Answer

A main-sequence star

Answer

A molecular cloud

Question 5

Which element begins to accumulate in the core of a very massive star just before it explodes?

Accepted Answer

Iron

Answer

Hydrogen

Answer

Helium

Answer

Lithium

Question 6

What type of star ends its life in a Type II supernova?

Accepted Answer

A massive star (roughly 8+ solar masses)

Answer

A brown dwarf

Answer

A Sun-like star

Answer

A white dwarf alone

Question 7

What remnant can be left behind after a massive star's supernova?

Accepted Answer

A neutron star or black hole

Answer

A brand-new protostar

Answer

A planetary nebula only

Answer

A white dwarf only