Jawaban:

1. Our solar system formed about 4.5 billion years ago by a dense cloud of interstellar gas and dust.

2. there eight planets in our solar system.

3. there are Mercury, Venus, earth, mars, Jupiter, saturn, Uranus, Neptunus.

4. it is sun

5. Relative distance means how far apart the planets are when compared to each other and the sun.

6. it is Mercury.

7. the atmosphere consists of approximately 75% hydrogen and 25% helium with traces of other substances like methane and water ice.

8. we live in the earth.

9. it is-353 degrees F.

10. because status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet.

5. A. those are stars.

Penjelasan:

Semoga bisa membantu:)

maaf jika ada yang salah.