Click on the radio button in front of the correct answers to the questions.
1. This is a medium star that is the center of the solar system.
comet sun planet
2. The planets, comets, meteors of the solar system are held together by the sun's
heat light gravity
3. The sun appears larger than other stars because
it is the biggest star in the universe it is a double star it is the closest star to the earth
4. The astronomical unit (A.U.) is used within the solar system for measuring
density distance brightness
5. The sun's surface is called the
photosphere core nucleus
6. A part that extends from the corona called the
nucleus solar wind chromosphere
7. The sun is necessary for life on earth.
True False