Which of the following is evidence that the Earth orbits around the Sun?

What was the age of the universe when it became transparent and photons could travel without running into anything?

Which is the classification given to a galaxy with a small nuclear bulge, and loosely wound arms with no bar through the nuclear bulge?  

The composition of Saturn’s rings are

What percentage of visible matter is made of Hydrogen?

Which of the following is true for a main sequence star that has half the mass of the Sun?

Match the moons to the dwarf planet that it orbits. some may be used more than once or not at all

Extra Credit: Match as many symbols to planets as you are able. ( have put the symbols here as a larger version so you can hopefully see them more clearly)  ☿, ♀, ⛢, ♇,☉, ☽, ⚳, ⊕, ♆, ♂, ♃, ♄

The Great Red Spot on Jupiter is

There is star formation in Elliptical Galaxies.