Why is Obama's 2004 keynote address at the Democratic National Convention significant?
Social studies

he is the first African-american president

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

when your a dog and you need a bone.   go and eat a rabbit