https://padlet.com/mckayel/xfa2uq1wxjcy Made with fortitude en-us 2018-10-01 13:31:31 UTC 2018-10-03 13:19:28 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rocket.png mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287789571 he lived 384 BC- 322 BCE
born in Stagira, Greece
he was a greek philosopher
He thought that the earth was in the middle of the solar system
first to propose geocentric model]]> 2018-10-01 18:11:29 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287789571 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287792394 lived about 310-230 BCE
born in Samos, Greece
Greek astronomer and mathematician
He proposed the Heliocentric model for the solar system.

 ]]> 2018-10-01 18:15:01 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287792394 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287794898 Claudius Ptolemaeus 
Lived 100- 170 CE
Born in Alexandria, Egypt
He wrote a book called "Almagest" and it's one of the few books we have from back in those times, we used it for 14 centuries. he believed that Earth was the center of our solar system.

]]> 2018-10-01 18:17:56 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287794898 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287801025 Lived 1472- 1543
born in Torun, Poland
astronomer, mathematician, physicist.
He had thought the Ptolemy's method was too complicated.
He is most known for being the first astronomer to propose the Heliocentric model. (When the planets in our solar system orbit the sun).

]]> 2018-10-01 18:24:38 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287801025 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287802924 1571-1630
born in Weil der stadt, Germany
German mathematician and astronomer
He's most famous for making up "Kepler's Laws"
1. Planetary orbits are ellipses with the sun at one focus
2. planets move faster in their orbits when closer to the sun
3. Relates to distance of a planet from the sun to the time it takes go once around its orbit.]]> 2018-10-01 18:26:38 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287802924 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287807820 lived 1564- 1642
born in Pisa, Italy
scientist
He said that all bodies no matter what their mass is all fall at the same rate.
He also said that moving things retain their velocity unless an unbalanced force is upon them
He also made improvements on telescope technology. He observed sunspots, phases of Venus, Earth's moon, the 4 gallilian moons of Jupiter, supernova, and appendages on Saturn.]]> 2018-10-01 18:34:22 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/287807820 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288095544 2018-10-02 13:18:04 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288095544 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288096446 2018-10-02 13:19:23 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288096446 mckayel https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288106664 2018-10-02 13:33:39 UTC https://padlet.com/mckayel/xfa2uq1wxjcy/wish/288106664