Author Question: What produces a type-I supernova? A) the collapse of the core of a massive star B) the helium ... (Read 57 times)

rmenurse · **on:** Jul 27, 2018

What produces a type-I supernova?

A) the collapse of the core of a massive star
B) the helium flash blows apart a giant's core
C) mass transfer onto a white dwarf pushing it over 1.4 solar masses
D) a nova igniting a helium flash in its red giant companion
E) the radioactive decay of nickel 56 into cobalt 56 into iron 56

Question 2

If a star were moved 10 times farther away, its absolute magnitude would drop five magnitudes.

Indicate whether the statement is true or false