Misc: Where on the body should an helmet be worn?

Questions

Astronomy What is the proper name for falling stars?

Astronomy What is the term for the path followed a by a small body around a massive body in space?

Astronomy What phenomenon is caused by the gravitational attraction of the moon?

Astronomy What planet boasts the Great Red Spot?

Bet you don't know ;-) The two sexes of humans are male and ?