How Much Do You Really Know About The Solar System?

Who has lived long enough to verify age of universe? Who collected materials from Saturn and Mercury to verify their composites? Who put thermometer under suns tongue to get temperature? Armstrong first man on moon? Who filmed him going steps?

6 / 9. One better than last time!

8/9 got temp of the sun not easy when not in celcius.

Make up your mind for the percentage of water on earth; 75 or71.

Good quiz. Some different questions.

5 / 9. I made some silly mistakes! Good quiz.

9/9 Thanks for the answers.

I think the percentage of water on the surface of Earth is 71%. 8/9

7/9 star light, star bright, first star i see tonight...

James Steven Willis, don't we all lose a little mass with each trip around the sun? 😁