SCIENCE 5 1. Directions: Identify the words being described in every number. Choose your answer on the box below.

1. It is the second star nearest to Earth.
2. It is the brightness of a star as seen from Earth.
3. It is the distance light travels in one year.
4. It is the color of the hottest star.
5. It is the star nearest to Earth. It is a giant ball of hot gases.
7. It gives an idea of the size of a star.
8. The size of this is 1975,000,000 kilometers in diameter.
9. This is equal to about six trillion kilometers.
10. It is the color of the coolest star.

star red light year blue Canis major apparent magnitude

1 light year brightness Proxima centauri sun​