Showing posts with label Solar System. Show all posts
Showing posts with label Solar System. Show all posts

Thursday, September 22, 2011

Earth and Moon facts

fact 1
Earth is the ideal distance from
the Sun for life -- it's not too hot
and not too cold. 
All of this makes Earth a perfect place
for animals and plants to live and grow.



fact 2
The Moon seems to change shape because 
we see different amounts of its sunlit side 
as it travels around Earth.

Friday, July 29, 2011

Earth fact

The Earth has a diameter of 12,756 km
while the Moon is barely one-quarter as large.

Wednesday, September 16, 2009

Solar System fact

 99% of the solar systems mass
is concentrated in the Sun.