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Famous Astronomers & Astronauts
Transcript of Famous Astronomers & Astronauts
c. 100 c.e. to 170 c.e.
*Proposed that planets have a fixed point--the Sun--
a.k.a. the heliocentric model
*The Earth revolves on its own axis
*"father of modern observational astronomy"
*supported heliocentric model of solar system & was accused of heresy for this.
*laws for planetary motions
*Newton based his work on universal gravitation on Kepler's writing
*Laws of planetary motion
*extragalactic astronomy (astronomy
outside of the Milky Way)
*Hubble Space Telescope named after him.
*first person to walk on the moon
*famous American astronaut
* Famous for geo-centric model of the
universe, known as the Ptolemaic system.
*Influenced medieval astronomers.
*scientific research of extraterrestrial life
*famous for TV show,
*black holes emit radiation
A Brief History of Time
Neil deGrasse Tyson
*famous science communicator