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The basic tool that Galileo used was a crude refracting telescope. His initial version only magnified 8x but was soon refined to the 20x magnification he used for his observations for Sidereus nuncius. It had a convex objective lens and a concave eyepiece in a long tube. The main problem with his telescopes was their very narrow field of view, typically about half the width of the Moon.
One of Galileo's telescopes. The focal length is 1330 mm with a 26 mm aperture, it magnifies 14x. It has an objective bi-convex lens and a plano-concave eyepiece.
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What does Galileo have to do with the telescope?
Galileo invented and assembled the modern telescope that we use in our world today.
Did Galileo use a reflecting or refracting telescope?
Galileo just used the refracting telescope.
What type of telescope did Galileo use?
Refracting telescope
What equipment did Galileo use?
telescope
What technology did Galileo use?
A telescope.
What kind of telescope did Galileo use?
A light spectrum telescope
Who was the first scientist to use the telescope?
Galileo
What did Galileo first use in 1609?
A telescope.
Who was the first to use the telescope for astronomy?
Galileo.
When did Galileo first use Telescope?
after he made it
Galileo was the first astronomer to use what?
a telescope
This scientist was the first to use the telescope in astronomy?
Galileo is correctly credited with the first use of the telescope
