heloo friends!

can anybody help me to find out which one is correct to be used? "the differences between" or "the difference between"?

"the differences between The Earth and Sun"
"the difference between the Earth and Sun"

looks like they both make the same sense, dont they?hmm....

The difference between earth and sun is ....
The differences between earth and sun are ...

It depences on how many factors you will list.
ah......i c...i just realized it ! Emotion: smile . thanks Denis!