Question 1

This is the system of several hundred billion stars in which our sun lives:&#10;A) stellar populations&#10;B) galactic cluster&#10;C) Milky Way&#10;D) solar system

Accepted Answer

The Milky Way is the galaxy that contains our Solar System, along with hundreds of billions of stars.

Question 2

The Milky Way is moving toward this galaxy in our local cluster:&#10;A) the magellanic clouds&#10;B) M31&#10;C) M101&#10;D) edge of the universe

Accepted Answer

The Milky Way is moving toward the Andromeda Galaxy (M31) due to gravitational attraction between the two galaxies.

Question 3

Superclusters are ___________.&#10;A) collections of many clusters of galaxies&#10;B) collections of many star clusters&#10;C) our local group&#10;D) the whole universe

Accepted Answer

Superclusters are large groups of smaller galaxy clusters or galaxy groups; they are among the largest structures of the cosmos.

Question 4

The changes that a star goes through during its life are called&#10;A) star clusters&#10;B) stellar evolution&#10;C) galaxies&#10;D) stellar mass

Accepted Answer

The changes that a star undergoes throughout its lifetime, from formation to the end of its life cycle, are referred to as stellar evolution.

Question 5

This force is called ________, which attracts bodies based on its mass.

Accepted Answer

The answer of This force is called ________, which attracts...

Question 6

It is thought that the universe began as the ____________.

Accepted Answer

The answer of It is thought that the universe began...

Question 7

The local group are the closest galaxies to our Milky Way.

Accepted Answer

The Local Group refers to the galaxy group that includes the Milky Way and over 50 galaxies that are its nearest neighbors, making them the closest galaxies to our own.

Question 8

A light year is about 10 trillion km (6 trillion miles).

Accepted Answer

A light year, the distance light travels in one year, is approximately 9.461 trillion kilometers (about 5.879 trillion miles), which is often rounded to 10 trillion kilometers (6 trillion miles) for simplicity.

Deck 2: Beyond the Solar System