The Universe

Four students are asked to describe a nebula and a star.  Their responses are shown in the table below.  Which student described these two celestial bodies correctly?

• Student 1
• Student 2
• Student 3
• Student 4

The Milky Way galaxy is described as a disk of stars orbiting a central point on its disk.  Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

• Earth is a part of this galaxy
• Many more stars exist outside the galaxy
• The stars in the center of the galaxy are extremely small
• the center of the galaxy consists of a dense cluster of stars

Which of these observations of Barnard's Star is most likely accurate?

• Barnard's Star is less bright than the Sun, has a temperature below 3,800K, and is red.
• Barnard's Star is less bright than the SUn, has a te,perature above 3,800K, and is red
• Barnard's Star is brighter than the Sun, has a temperature below 5,300K, and is yellow.
• Barnard;s Star is brighter than the SUn, has a surface temperature above 5,300K, and is yellow

Why does Earth get more energy from the sun than from other stars in the universe combined?

• The SUn is much larger than the other stars.
• The Sun is much hotter than the other stars.
• The sun is much more dense than the other stars.
• The sun is much closer than the other stars.

Which of these correctly compares the masses of different objects in the universe?

• A moon has less mass than a str and more mass than the planet it orbits.
• A planet has less mass than a galaxy and more mass than the star it orbits.
• A galaxy has less mass tha a moon and more mass than a planet.
• A star has less mass than a galaxy and more mass than a planet

Name the galaxy

• Spiral galaxy
• Elliptical galaxy 
• Irregular Galaxy

Name the galaxy

• Spiral galaxy
• Elliptical galaxy 
• Irregular Galaxy

What is the name of the galaxy Earth belongs to?

• Milky Way
• Betelgeuse
• Bardnard's Star

Name the galaxy

• Spiral galaxy
• Elliptical galaxy 
• Irregular Galaxy

At which location is the Sun located on the Milky Way?

• On the top of the galaxy
• In the center of the galaxy
• On the left arm
• On the right arm