The surface of Mars, the atmosphere of Jupiter, water spewing from the rings of Saturn, photographs of many of the other eight planets in the solar system: all valuable information collected by
A) space probes.
B) X-ray telescopes.
C) satellite imaging.
D) manned space craft.

A. Space Probes

A space probe is a robotic spacecraft that does not orbit Earth, but instead, explores further into outer space. A space probe may approach the Moon; travel through interplanetary space; flyby, orbit, or land on other planetary bodies; or enter interstellar space

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it's c (engineer's do their work with mechanical stuff not on any living being)