Answer the following question given this paragraph: 

All of the inner planets are orbited by man-made satellites. Jupiter and Saturn have man-made satellites too. We can see what the planets look like from the photos they take. The satellites also carry instruments that collect a lot of important data. This is better than taking a field trip to such hostile places. You can learn a lot while sitting your own, very comfortable planet!.


Q: What man-made structures orbit all of the inner planets as well as jupiter and saturn?

 Choices:

- comets

- space shuttles

- moons

- satellites

A:
satellites
