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Aristotle was born in the village of Statigra, Greece. He is considered a father of philosophy and reason. He is also known for his many contributions to science, ecspecially in the field of biology.
384 bc
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- 276 BC
- Discover the dimensions of the earth
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- 580 BC
- He thought that earth was a sphere in the middle of the universe
- One of the first to realize venus as an evening star http://www.nndb.com/people/773/000087512/ http://9waysmysteryschool.tripod.com/sacredsoundtools/id13.html
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- 190 BC
- Discopered presicion of equinoxes
- Calculated the length of a year http://www.nndb.com/people/842/000103533/ http://www.answers.com/topic/hipparchus-1
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- Most ancient civilizations watched the heavens as patterns in the sky that allowed the to know when the seasons change
- Begining of accurate astronomy
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Aristarchus was the first Greek Philosopher to propose that the sun was the center. http://www.varchive.org/ce/orbit/arisam.htm
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- Discovered heliocentricity
- Predicted eclpiseshttp://www.sheppardsoftware.com/globeweb/factfile/Unique-facts-Globe5.htm
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- First to study a supernova
- Developed a theory of planetary motion http://library.thinkquest.org/28327/main/exploration/people/brahe.html
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- Made improvements to the telescope
- His contributions to observational astronomy include the telescopic confirmation of the phases of Venus, the discovery of the four largest satellites of Jupiter (named the Galilean moons in his honour), and the observation and analysis of sunspots. http://en.wikipedia.org/wiki/Galileo_Galilei
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- Discovered Earth Orbits the Sun
- Helped launch the scientific revoloutionhttp://www.keplersdiscovery.com/
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- Formulated the laws of Gravitation
- Improved the telescope
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She created the new scheme of stellar clasification. Annie discovered about 300 stars, which gave her the nickname "census taker of the sky."
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- He invented the spectroheliograph in 1889
- The spectroheliograph enabled him to take pictures of the sun in daylight.
- Discovered sunspot cycles
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- Discovered 1,777 variable stars in the Magellanic Clouds
- Discovered Cepheid Variable
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- Discovered what Stars and the Huge space between them are made of
- Discovered hydrogen is the main component of starts
- made major advances in narrow-band photoelectric photometry http://www.freebase.com/view/en/bengt_stromgren http://www.nndb.com/people/142/000173620/
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- He is known as the "Father of Cosmology"
- Created a classification system for galaxies
- Developee Hubbles Law
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- Discovered 2 satelites in our solar system
- One for Neptune, and on for Uranus
- Discovered CO2 on Mars. http://en.wikipedia.org/wiki/Gerard_Kuiper http://www.daviddarling.info/encyclopedia/K/KuiperGP.html
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- Discovery of the creation of White Dwarfs
- Better known as the evolutionary stages of stars
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- Constructed the worlds first radio telescope
- Confirmed Janskey's discoveries
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- Discovered the Van Allen Belt
- Van Allen Belts are the belts of Radiation http://www.nndb.com/people/559/000055394/ http://www.windows2universe.org/earth/Magnetosphere/radiation_belts_discovery.html
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- Coined the term "Big Bang"
- Rejected the Big Bang Theory
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- Studied the spectra of galaxies, nuclear reactions at the center of stars, and conducted spectroscopic surveys of quasars. -She was at the forefront of developing instrumentation for the Hubble Space Telescope.
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- Studied the impact dynamics of Barringer Meteor Crater
- He was a possible candidate for an Apollo moon flight
- Disqualified due to Addisons disease http://en.wikipedia.org/wiki/Eugene_Merle_Shoemaker
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- Head of the Viking Surface Photography team
- Published 2 books on the geology of the moon and Mars\
