Space exploration is the discovery and study of space and the various celestial bodies that it contains. It is typically done with the help of very powerful telescopes (on Earth and in space) and manned or (more commonly) unmanned missions. Telescopes allow us the visual exploration of space, while space vehicles allow us physical exploration (for things like material characterization).
There are a number of benefits to space exploration. Many commonly used inventions were developed as a spin-off of space exploration programs. Some examples include wireless tools, automated health monitors, and stronger, better materials. It also helps us understand what resources are available on other planets, meteors, etc., as we explore the possibility of harvesting such resources in the future. Space exploration has always motivated and inspired students to learn science. Another potential benefit of space exploration is the possibility of colonizing another planet, in case Earth is no longer usable.
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