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NASA occasionally sends out space probes instead of humans because astronauts could not survive on some of the places that space probes are sent to.
yes
No, space probes are unmanned spacecraft designed to explore space without carrying humans. They are controlled remotely from Earth by scientists and engineers.
Space Probes.
Space probes leave Earth, they do not go toit.
pros: We can learn lots of things by sending crews and space probes. For without space probes how would we be able to tell the weather. cons: Many humans can die in space if there is a problem with the space craft and billions of dollars will be wasted.
Technology has improved in many ways. Telescopes, Space probes and space shuttle along with many other things help us get a better knowledge of space. More powerful telescopes let us see things very far from earth. Good space probes go more far out in space and are able to learn more about space. Space shuttles do the same thing as space probes but only have humans
Space probes are designed to explore and study heavenly bodies such as planets, moons, asteroids, and comets in space. They collect data on the composition, atmosphere, surface features, and other characteristics of these celestial objects to help scientists better understand the universe and its origins.
none with humans although some probes have
No, space probes are unmanned spacecraft designed to explore the cosmos without the need for human presence aboard. They are equipped with scientific instruments and communication systems to gather data and transmit it back to Earth. Manually controlled missions with astronauts on board are categorized differently and are not considered space probes.
If by humans visiting you mean , Which planet's have had humans land on that planet the answer is none. The only other place in space that humans have visited is the moon.
Space probes would be safer.