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The discovery and creation of Hubble's Law

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the universe began from a single primordial atom.

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The First Scientist to Study the Big Bang Theory

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The First Scientist to Study the Big Bang Theory

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This startling idea first appeared in scientific form in 1931, in a paper by Georges Lemaître, a Belgian cosmologist and Catholic priest. The theory, accepted by nearly all astronomers today, was a radical departure from scientific orthodoxy in the 1930s.

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First use of Cosmic Background Radiation

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Creation of the first space suit model.

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life-detection equipment aboard the Viking mission to Mars in reported positive results for evidence of life.

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Extravehicular Mobility Unit (space suit) was launched for space exploration.

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Stephen Hawking's Black Hole Theories (1988)

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Stephen Hawking's Black Hole Theories (1988)

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Stephen Hawking worked on the physics of black holes. He proposed that black holes would emit subatomic particles until they eventually exploded. He also wrote best-selling books, the most famous of which was A Brief History of Time: From the Big Bang to Black Holes.

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The Hubble Space Telescope was launched

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major advances in telescope technology in combination with large amounts of satellite data, such as COBE, the Hubble Space Telescope and WMAP.

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Key observations supporting the big bang theory include: expansion of the universe, cosmic microwave background radiation, abundances of the lightest chemical elements, and age of the oldest-known stars.

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NASA's Kepler mission confirmed its first planet in the habitable zone, the region where liquid water could exist on a planet's surface. Kepler also discovered more than 1,000 new planet candidates, nearly doubling its previously known count to 2,326.

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First spacecraft to orbit a Dwarf Planet (Ceres)

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Latest NASA space suit model is released.

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A new hypothesis reveals that a global sedimentary cycle driven by seasons could explain the formation of landscapes on Saturn's moon Titan.