The Remaining Core of a Planetary Nebula Is Called A(n)

Q36: The angular measurement in hours, minutes, and

Q37: Which of the following is an irregular

Q38: An incredibly dense star so massive that

Q39: The angular measurement in hours, minutes, and

Q40: The "surface" of a black hole is

Q42: The temperature of the Sun's interior is

Q43: The letters LMC refer to the galaxy

Q44: The angular measure in degrees north or

Q45: The fundamental components in the structure of

Q46: Sirius is a binary star, consisting of