Question 1

True or false: The Andromeda Nebula is a cloud of gas within our own Milky Way galaxy.

Accepted Answer

False. It was once thought a nebula, but Edwin Hubble proved in 1923 that Andromeda is a separate galaxy far beyond the Milky Way.

Question 2

True or false: Andromeda is the only galaxy visible to the naked eye from Earth's northern hemisphere.

Accepted Answer

False. The Triangulum Galaxy (M33) in the northern constellation Triangulum is also visible to the naked eye under very dark skies. Both galaxies are external to the Milky Way and appear as faint smudges.

Question 3

True or false: The Andromeda Nebula is actually a galaxy containing over a trillion stars.

Accepted Answer

True. Andromeda is a spiral galaxy with an estimated 1 trillion stars, far outnumbering the Milky Way's 100-400 billion stars.

Question 4

True or false: The Andromeda Galaxy will collide with the Milky Way in about 4.5 billion years.

Accepted Answer

True. Simulations confirm Andromeda and the Milky Way are on a collision course, merging into a giant elliptical galaxy in roughly 4.5 billion years.

Question 5

True or false: Andromeda is moving away from the Milky Way due to the expansion of the universe.

Accepted Answer

False. Andromeda is blueshifted, meaning it's moving toward us at about 300 km/s, not away; local gravity overcomes cosmic expansion.

Question 6

True or false: Andromeda appears larger than the Moon in the night sky when viewed with a telescope.

Accepted Answer

False. Andromeda is actually six times wider than the Moon, but its faintness makes it appear smaller; only long-exposure photos reveal its true size.

Question 7

True or false: Andromeda has a supermassive black hole at its center, similar to the Milky Way's Sagittarius A*.

Accepted Answer

True. Andromeda's core hosts a black hole with a mass of about 140 million suns, far larger than our own galaxy's 4 million solar-mass black hole.

Question 8

True or false: The Andromeda Galaxy contains no known exoplanets because its stars are too far away.

Accepted Answer

True. No exoplanets have been confirmed in the Andromeda Galaxy; the vast distance prevents reliable detection with current technology. The statement is therefore true.

Andromeda Nebula Trivia Questions