Galaxies and Black Holes

Galaxies and Intro to Black Holes

Anddromeda Galaxy

Multiple Choice

The stars at the center of M31 are _________ and ________ than the stars close to the outside.

• larger, brighter

• smaller, hotter

• older, cooler

• farther away, brighter

Multiple Choice

Just like in our galaxy, the spiral arms of M31 contain gas and dust needed to make new generations of ___________.

• stars

• planets

• supernovas

• comets

Multiple Choice

The Swift telescope allows distant objects to be studied using both ________ and visible light.

• radiant

• solar

• ultraviolet

• X-ray