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The telescope.
telescope
astronomy
Most famously he improved the telescope. His studied Astronomy with his telescope.
Historically, it was the optical telescope. Modern radio telescopes, and cameras mounted on satellites, have advanced astronomy even further.
this will be a telescope because a microscope is to look at small things with and a telegraph is basically now a commericial
A high energy particle telescope is used in astronomy, and is typically found in space observatories. Like most telescopes, it is used to observe celestial bodies
A Telescope.
Yes, many satellites are used for a range of astronomical observations the most famous of which would be the Hubble Space Telescope.
I do not believe that the Hubble is equipped for radio astronomy. Certainly it can "detect" radio waves; it is remote-controlled by radio. But most radio astronomy is done with earth-based dish antennas.
Galileo Galilei (15 February 1564 - 8 January 1642) was a Italian physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. His achievements include improvements to the telescope and consequent astronomical observations, and support for Copernicanism. Galileo has been called the "father of modern observational astronomy", the "father of modern physics," the "father of science," and "the Father of Modern Science."
Galileo studied many heavenly bodies including the sun, which damaged his eyesight but he is most famous for studying Jupiter and it's four largest moons - Ganymede, Io, Europa and Callisto. Which are nowadays known as "The Gallilean Moons"