Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: Observations can happen on many scales. You can use a microscope to observe tiny things. You can use a telescope to observe distant things in space. To learn about the effects of climate change, you could observe Earth's surface. How would you make observations of Earth's surface? You could do this from the land surface or from space. Many important observations are made by orbiting satellites. These satellites have a bird's eye view of how the planet is changing ( Figure below ). Answer: satellites
A:
What man-made devices in space are used to observe the earth's surface?