Galileogalilei

Pre 1900

His full name

His full name is Galileo di Vincenzo bonaiuti de' Galileo.he was an Italian astronomer , mathematician and physicist.


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Dates of discoveries

Galileo's first observations in astronomy came in 1609 after building his first telescope, he did not invent but made improvements to the telescope. The year after his results were published. He discovered the moons of Jupiter, the phases of Venus and mountains on the moon. Confirming that the sun rotates, and that the planets orbit around the Sun, not around the Earth.


Technology used at the time

Galileo's telescopes had magnification of only about 30x. Although one of his early telescopes had a magnification about 8 or 9. He made money from the selling telescopes to merchants how found them useful at sea.he made the working thermometer

What contribution they to our knowledge and understanding of the solar syst

He's contribution to astronomy observation include the use of the telescope such views of the phases of Venus discovery of the four largest satellites of Jupiter, and the observation and analysis of sunspot. He also worked in applied science and technology, inventing an improved military compass and some other instruments.