1. the earth, moon and sun

2. size earth-the earth is small in comparison to the
other planets and stars
moon-4 moons could fit inside earth
sun-HUGE 1-million earths could fit inside of the sun

3. atmosphere
The Earth has an atmosphere made up of oxygen , carbon dioxide , and ozone
The moon has such a thin atmosphere its useless
The sun has a thick atmosphere

4. Craters and Landforms Earth-tectonic plates move and make mountains
Moon- asteroids hit the moon and make craters. there are also Maria[dry seas of lava]
Sun-sun spots[dark areas cooler than the rest]

5. Weathering and erosion
Earth-wind, water and ice weather and erode
the earths surface
Moon-very little erosion or weathering
Sun-solar flares: quick increases in brightness
when energy builds up

6. Weather Earth- temperature -perfect for life
Sun- temperature -center-27,000,000 f
Moon- temperature –extreme temps! Up to 298f at day and 224f at night!

7. Length of Day Earth-24 hours Moon-length of year-29.5 days
Sun-11 years

8. Length of Year
Earth-365 days
Moon-29.5
Sun-millions of years

9. seasons
Click here to see what causes the seasons

10. gravity Earth-gravity keeps us on the ground.
Moon-gravity causes tides
Sun-has very strong gravity

11. water Earth- rivers , lakes , and oceans
Moon- there is only frozen water here
Sun- none.

12. thank you for watching
By- mylie Hammonds