Answer all questions correctly for brainliest thanks :) 1. What objects in space, other than stars, make up the universe?

2. What kinds of energy, other than light, do these objects give off?

3. How do scientists answer these and other questions about objects that are so far away?

4. What is a light-year ?

5. What is an electromagnetic spectrum and how does it work ?

6. What is an H-R diagram used to measure ?

7. Do you notice any patterns in the H-R diagram ?

8. How would you describe the Sun's temperature , brightness , and color compared to other stars?

9. What colors are the hottest stars ?

10. Which are brighter : giants , supergiants , or white dwarfs ?

1. Planets

2.mechanical

3.Tests

4.9.4605284e15 meters

1: Moons, planets, nebulae, and star clusters

2: heat and kinetic

3: They look for the mass in the universe and try to discover what created it.

4: The distance that light travels in a year

5: It is the range of all EM Radiation and it measure the waves of energy

6: It is a tool that astronomers use to classify stars

7: There is usually a bunch of stars in one place which creates a star cluster.

8: The Sun is a small star compared to all of the other massive stars

9: Blue-White

10: Super-giants

Step-by-step explanation:

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !

answer: x=60