Astronomy Project
Category: Storia
è stato aggiornato: 9 mesi fa
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Created byAnuthra Abeysinghe
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Caroline Herschel
March 16, 1750- January 9, 1848
First professional female astronomer
First woman to discover a cometEratosthenes
276 BC- 194 BC
Accurately calculated the size of the Earth
Accurately calculated the tilt of the EarthStephen Hawking
January 8, 1942- March 14, 2018
Discovered that black holes have temperature and produce radiationGiovanni Domenico Cassini
June 8, 1695- September 14, 1712
Discovered dark gap
Discovered four of Saturn's 146 moonsGalileo Galilei
February 15, 1564- January 8, 1642
Observed mountains of the moon
Helped prove heliocentric modelHenrietta Swan Leavitt
July 4, 1868- December 12, 1921
Discovered that period of fluctuation in brightness is regular and a result of the luminosity of the star
Determined magnitude of 108 starsJocelyn Bell
July 15, 1943- Alive
Discovered pulsars- quickly rotating neutron stars (appear to emit bursts of radio waves)Annie Jump Cannon
December 11, 1863- April 13, 1941
Helped to develop Harvard spectral system
First woman to become officer on American Astronomical SocietyAlbert Einstein
March 14, 1879- April 18, 1955
Discovered theory of general relativity- big object causes distortion in space time
Discovered existence of black holes due to his theoryClaudius Ptolemy
100 AD- 170 AD
Used mathematics to predict motion of stars and planets
Responsible for prevalence of geocentrism in medieval timesCharles Messier
June 26, 1730- April 12, 1817
First to compile systematic catalog of nebulae and star cluster
Resulted in more astronomers searching for and mapping starsEdmond Halley
November 8, 1656- January 14, 1742
Realized that comets regularly come back into inner solar system
Comet named after himSatyendra Nath Bose
January 1, 1894- February 4, 1974
Collaborated with Albert Einstein
Bose-Einstein condensate named after him- state of matter formed when gas of bosons at low density cooled almost to absolute zeroJan Hendrik Oort
April 28, 1900- November 5, 1992
Discovered way to determine the rotation and center of Milky Way
Predicted where comets come from
Discovered Oort Cloud (named after him)Carl Sagan
November 9, 1934- December 20, 1996
Popularized scientific ideas through TV series "Cosmos: A Personal Voyage"
Co-founded The Planetary SocietyEdwin Hubble
November 20, 1889- September 28, 1953
Discovered existence of other galaxies
"The Hubble Theory"- Universe is constantly expandingJill Tarter
January 16, 1944- Alive
Co-founded Search for Extraterrestrial Intelligence InstituteNicolaus Copernicus
February 19, 1473- May 24, 1543
Dismantled theory of geocentrism
Publised De revolutionibus orbium colestium
Said Earth had three different levels of rotationArthur B.C. Walker
August 24, 1936- April 29, 2001
Designed Multi-spectral Solar telescope array
Investigated explosion of the Challenger spacecraftWilliam Hartmann
June 6, 1939- Alive
Confirmed Giant-impact hypothesis- Theia collided with Earth to form Moon and Earth's 23.5 degree tilt.Johannes Kepler
December 27, 1571- November 15, 1630
Produced the three laws of planetary motion (Kepler's Laws)
Laws provide foundation for how objects in space moveIsaac Newton
December 25, 1642- March 20, 1727
Developed differentiation and integration
Created reflecting telescopes
Create Newton's laws of motionChristian Huygens
April 14, 1629- July 8, 1695
Created Huygens Principles- each point on wavefront is source for set of more waves
Discovered Saturn's rings
Invented pendulum clock
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