What is a zonnlin?

What is the big orange gas tank called on a space shuttle? How come the sun can't melt the clouds? How long is the semidiurnal tide lunar cycle? Is the planet Mars a part of the exosphere? What are the easiest colors to see? Who did Apollo turn into a tree? What is it called when you have 2 full moons in 1 month? What is an example of a sunspot? When the crew members of Apollo 11 landed what did they do? What is the birtstone for the month of January? Who is known for publishing an almanac based on my astronomical calculations? Why does the hammer and feather theory work on the moon and not on earth'? What do environmentalists compare to a spaceship? What are the coordinates of the color Maroon? Is our sun a 1st generation star? Where is the sun's incoming solar radiation the strongest? What gases are in the atmosphere? What did Robert Thirsk do on his space missions? How do you know if you are pregnant after the night you think you got pregnant? What planets are liveable?