Use only numbers for your answer, no word spellings.

 

1. The Earth is million miles from the Sun.

2.  Our solar system orbits the center of the Milky Way galaxy at about mph, and it takes our solar system about million years to complete one orbit around the galactic center.

3. The temperature in the Sun's core is about million degrees Fahrenheit and is about times wider than Earth.

4. Jupiter cannot support life as we know it, but some of Jupiter's moons have oceans beneath their crusts that might support life.

5. Saturn has rings; Uranus has known rings.

6. Saturn has known moons; Uranus has known moons.

7.  The current known asteroid count is:  ; The current number of known comets is:  .

8. Earth's atmosphere is percent nitrogen, percent oxygen and percent other ingredients—the perfect balance to breathe and live.