Famous Scientists of Astronomy

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Famous Scientists of Astronomy
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Nicolaus Copernicus

• 1473-1543
• Developed the Copernican theory which states that
  the sun is at rest at the center of the universe.

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Galileo Galilei

• 1564-1642
• Conducted experiments on free fall telescope
• Condemned to house arrest for teaching the
  Copernican theory.

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Johannes Kepler

• 1571-1630
• Showed that a planet moves around the Sun in an
  elliptical orbit

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Sir Isaac Newton

• 1643-1727
• Experiments with gravity
• Three laws of motion

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John Glenn

• 1921-present
• First to reach supersonic speeds from LA to NY
  (1957)
• First American to orbit the earth (1962)
• Senator for Ohio
• Returned to space in 1998 aboard the Discovery

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Edwin Hubble

• 1889-1953
• Showed that galaxies are moving away from us with
  a speed proportional to their distance.
• Used the redshift of light to determine the speed
  of movement.

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Albert Einstein

• 1879-1955
• Developed the theory of relativity (Emc2)
• Urged all nations to give up nuclear weapons.

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Stephen Hawking

• 1942-present
• Uses wheelchair due to Lou Gehrigs disease.
• Discovered that black holes emit radiation.

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Black Hole
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Work Cited

• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Galileo.html
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Copernicus.html
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Hawking.html
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Kepler.html
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Einstein.html
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Hubble.html
• http//www.jsc.nasa.gov/Bios/htmlbios/glenn-j.html
  
• http//www-groups.dcs.st-and.ac.uk/history/Mathem
  aticians/Newton.html

Linda Webb