TELESCOPE PRESENTATION

Telescope

PresentaTION

by Gabriele Tornaghi

TIMELINE

the differnce steps of the telescope evelution

1609

1608

1668

1937-today

Galileo Galilei builds his own telescope, and plays an important role of his divulgation

Hans Lippershey, thinks and creates the first telescope

Isaac Newton creats the Reflecting Telescope, with mirrors

Different scientist and physicist, create new types of telescopes

galileo telescope

How it works:

• It consists of a converging lensserving as objective, and a diverging lens serving as eyepiece.
• The magnification of the system is variable
• Galileo's maximum manification was of 30x

Refecletor telescope

Differences, pros and cons:

• The main difference is the use of the mirrors
• The pros are diferrent, like it is more economic, not heavy, no crhomatic deviation
• The cons are, they get dirty more easily, the obstruciton lowers the contrast

today's telescopes

Space telescope: Hubble

Radiotelescope

Infrared telescopes

Spotting scope

Solar telescope

discoveries

Herschel discovered Uranus, the life of stars and galaxies

In the 1960s, thanks to astronomical progress, it was discovered that the universe is continuosly expanding and the Big Bang theory was formulated.

Galileo himself discovered four satellites of Jupiter, the phases of Venus and that we live in a galaxy with lots of stars

THANKS!

Gabriele Tornaghi