Astronomy has come a long way in the 401 years since Galileo turned his first primitive telescope to the sky, so it may be no surprise we see a very different solar system than the field's earliest pioneers did.
Today's telescopes are millions of times more powerful than Galileo's dual lens setup in 1609, and space agencies have routinely sent spacecraft to the moon, sun and other denizens of the solar system to bring back information from up close
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