None of it but Galileo's discoveries with the telescope were very important in raising questions about the old Ptolemaic theory, which was geocentric.
However Galileo's discovery of Venus's phases was not a proof of the heliocentric principle because Tycho produced a geocentric model that explained Venus's phases.
By looking into space with the telescope.
Galileo Galilei made the telescope by putting two lenses in to a wooden tube. the lenses focused the light coming through the tube, making the distant ojects seem closer.
The telescope
His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism.
telescope, he used this to observe different heavenly bodies
By looking into space with the telescope.
If you have the money and the diplomatic support, you should by the Hubble Space Telescope.
Galileo Galilei made the telescope by putting two lenses in to a wooden tube. the lenses focused the light coming through the tube, making the distant ojects seem closer.
The telescope
that the moon has a thinner crust on the side facing earth
Galileo
When something is empirical, it means that it can be support with data gathered from experience or direct observation. So, empirical truth would be when something can be proven as true with the use of gathered data or evidence.
There has been a plane crash, and friends and neighbors are offering their support.
There has been a plane crash, and friends and neighbors are offering their support.
There has been a plane crash, and friends and neighbors are offering their support.
There has been a plane crash, and friends and neighbors are offering their support.
His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism.