Type I supernovae result from ________ stars which have accreted ...

[APUS57]

Type I supernovae result from ________ stars which have accreted sufficient additional mass via mass transfer from a close binary companion.
 
  Fill in the blank(s) with correct word

Question 2

Shepherd satellites are defined as:
 
  A) satellites in the coma of a comet.
  B) moons that confine a narrow ring.
  C) a type of moon that orbits another moon.
  D) moons that follow the exact orbit of another, larger, moon.
  E) moons that orbit inside the system of rings.

[Anonymous]

Answer to Question 1

white dwarf

Answer to Question 2

B