Galileo Galilei
The true value of pi has never been discovered because it's an irrational number whose decimal places are infinite.
It is a reflecting telescope
Telescope eyepieces are important of any visual telescope. It is the main part of the telescope and is what determines how the object will look like through the telescope.
Telescope.
it is a reflector telescope
The Hubble Space Telescope has a number of instruments, but the primary one is an optical telescope.
No. A Dutchman created a refractive telescope. Newton improved the telescope by creating the Reflective Telescope.
a telescope.
mr. telescope
I accidentally the whole telescope.
The Newtonian Telescope.
The word 'telescope' is a noun.Example: "I don't know how to use a telescope."