Author Question: For a white dwarf to explode entirely as a Type I supernova, its mass must be A) at least 0.08 ... (Read 81 times)

penza · **on:** Jul 27, 2018

For a white dwarf to explode entirely as a Type I supernova, its mass must be

A) at least 0.08 solar masses.
B) 1.4 solar masses, the Chandrasekhar limit.
C) 3 solar masses, the Schwartzschild limit.
D) 20 solar masses, the Hubble limit.
E) 100 solar masses, the most massive known stars.

Question 2

Which of these was NOT seen telescopically by Galileo?

A) sunspots
B) Venus' phase cycle
C) stellar parallax
D) four moons around Jupiter
E) craters and mare on the Moon