Is revolution a synonym for world orbit?

What is the fourth largest planet? What would happen if the moon got too close to the earth? Which day of the week was on 9th September 1960? Why is the sun pink? How many Suns can fit into VY Canis Majoris? What does a star become when it casts off hydrogen and helium gases in its outer layers? How many people can live in the iss in one time? What concept was missing from people's minds in the 16th century when they couldn't believe earth was moving? What happens if you wear jeans to sleep? Why can't the moon evaporate water? How would the impact of the meteor have affected the biosphere near the crater? How do you know if a constellation is circumpolar? What date is Albert enstien's birthday? Can a balloon the you blow yourself last for 10 weeks? What s earth's annual motion around the sun called? What do we call the person who studies stars as a career? In order to enter hades what are the two basic requirements? What is the altitude of Halifax ns? How many astronauts were married in Apollo 13? How many miles across is the Andromeda Galaxy?