Science 1

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1.
1 point
About how many stars do they think are in our galaxy?
2.
1 point
VY Canis Majoris is so big that this many Earths would fit in it:
3.
1 point
Who first discovered that the earth moved around the Sun and was not in the center of our solar system?
4.
1 point
We don't float away or fall off the earth because:
5.
1 point
How many planets are in our Solar System?
6.
1 point
We can fit how many earths in the sun?
7.
1 point
Which planet is closest to the sun?
8.
1 point
In which direction does the earth rotate?
9.
1 point
The area that is considered perfect for life to exist is called:
10.
1 point
If we were 5% closer to the sun we would: