YearEvent
2781 BCE

Go to Sothic cycle in A Dictionary of Astronomy (2 rev ed.)

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c. 1750 BCE

Go to Babylonia in The Oxford Companion to Classical Literature (3 ed.)

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c. 1100 BCE

Go to Pole Star in World Encyclopedia (1 ed.)

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585 BCE

Go to Thales of Miletus (fl. 585 bc) in The Oxford Dictionary of Philosophy (2 rev ed.)

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c. 550 BCE

Go to zodiac in World Encyclopedia (1 ed.)

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c. 450 BCE

Go to Philolāus in Oxford Dictionary of the Classical World (1 ed.)

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c. 350 BCE

Go to Eudoxus of Cnidus (c.400 bc–350 bc) in A Dictionary of Scientists (1 ed.)

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c. 270 BCE

Go to Aristarchus of Samos (c.320–c.250 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 140 BCE

Go to Hipparchus of Nicaea (c.190–c.120 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 130 BCE

Go to precession of the equinoxes in A Dictionary of Astronomy (2 rev ed.)

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129 BCE

Go to Hipparchus of Nicaea (c.190–c.120 bc) in A Dictionary of Astronomy (2 rev ed.)

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c. 50 BCE

Go to Maya in A Dictionary of World History (2 ed.)

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45 BCE

Go to calendar, Roman in The Oxford Classical Dictionary (3 rev ed.)

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921

Go to Jewish in The Oxford Dictionary of Phrase and Fable (2 ed.)

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1054

Go to Crab Nebula in A Dictionary of Astronomy (2 rev ed.)

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1066

Go to Halley's Comet (1P/Halley) in A Dictionary of Astronomy (2 rev ed.)

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1543

Go to Deep Space 1 in A Dictionary of Astronomy (2 rev ed.)

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c. 1576

Go to Brahe, Tycho (1546–1601) in World Encyclopedia (1 ed.)

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1582

Go to Gregorian calendar in The Concise Oxford Dictionary of the Christian Church (2 rev ed.)

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1596

Go to Brahe, Tycho (1546–1601) in World Encyclopedia (1 ed.)

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1609

Go to Kepler, Johannes (1571–1630) in The Oxford Dictionary of Philosophy (2 rev ed.)

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1610

Go to Galileo Galilei (1564–1642) in A Dictionary of Physics (6 ed.)

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1613

Go to Galileo Galilei (1564–1642) in A Dictionary of Physics (6 ed.)

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1632

Go to Galileo Galilei (1564–1642) in A Dictionary of Physics (6 ed.)

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1655

Go to Huygens, Christiaan (1629–95) in A Dictionary of Physics (6 ed.)

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1672

Go to Cassini, Giovanni Domenico (1625–1712) in A Dictionary of Astronomy (2 rev ed.)

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1680

Go to Halley, Edmund (1656–1742) in A Dictionary of Physics (6 ed.)

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1758
1769

Go to Cook, James (1728–79) in A Dictionary of British History (1 rev ed.)

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1781
1796

Go to Laplace, Pierre Simon, Marquis de (1749–1827) in World Encyclopedia (1 ed.)

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1894

Go to Lowell, Percival (1855–1916) in A Dictionary of Astronomy (2 rev ed.)

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1904

Go to Hale, George Ellery (1868–1938) in A Dictionary of Astronomy (2 rev ed.)

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1905

Go to Lowell, Percival (1855–1916) in A Dictionary of Astronomy (2 rev ed.)

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1915

Go to Proxima Centauri in A Dictionary of Astronomy (2 rev ed.)

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1924

Go to Hubble, Edwin Powell (1889–1953) in A Dictionary of Scientists (1 ed.)

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1926

Go to Lindblad, Bertil (1895–1965) in A Dictionary of Scientists (1 ed.)

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1929

Go to Hubble's law in A Dictionary of Space Exploration (3 ed.)

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1948

Go to Palomar Observatory in A Dictionary of Astronomy (2 rev ed.)

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1957

Go to Sputnik in World Encyclopedia (1 ed.)

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Go to NASA in A Dictionary of Contemporary World History (3 ed.)

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Go to Sputnik in The Oxford Companion to the History of Modern Science (1 ed.)

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1959

Go to Luna in A Dictionary of Astronomy (2 rev ed.)

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Go to Luna in A Dictionary of Astronomy (2 rev ed.)

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Go to Luna in A Dictionary of Astronomy (2 rev ed.)

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1961

Go to Gagarin, Yuri Alexeyevich (1934–68) in A Dictionary of Space Exploration (3 ed.)

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Go to Shepard, Alan Bartlett (1923–98) in A Dictionary of Space Exploration (3 ed.)

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Go to Kennedy, John F. (1917–63) in A Dictionary of Space Exploration (3 ed.)

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1963

Go to Tereshkova, Valentina Vladimirovna (1937– ) in A Dictionary of Space Exploration (3 ed.)

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1965

Go to Leonov, Aleksei Arkhipovich (1934– ) in A Dictionary of Space Exploration (3 ed.)

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1966

Go to Luna in A Dictionary of Astronomy (2 rev ed.)

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Go to Luna in A Dictionary of Astronomy (2 rev ed.)

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1967
1968

Go to Apollo project in A Dictionary of Space Exploration (3 ed.)

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Go to Apollo project in A Dictionary of Space Exploration (3 ed.)

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1969

Go to Armstrong, Neil Alden (1930–2012) in Who's Who in the Twentieth Century (1 ed.)

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1971

Go to Salyut in A Dictionary of Space Exploration (3 ed.)

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Go to lunar roving vehicle in A Dictionary of Space Exploration (3 ed.)

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1975

Go to Apollo–Soyuz Test Project in A Dictionary of Space Exploration (3 ed.)

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1976

Go to Viking in A Dictionary of Astronomy (2 rev ed.)

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Go to Viking in A Dictionary of Astronomy (2 rev ed.)

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1986

Go to Challenger in A Dictionary of Space Exploration (3 ed.)

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Go to Mir in A Dictionary of Space Exploration (3 ed.)

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1989

Go to Galileo probe in A Dictionary of Space Exploration (3 ed.)

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1990

Go to Hubble Space Telescope in A Dictionary of Space Exploration (3 ed.)

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1991

Go to Galileo probe in A Dictionary of Space Exploration (3 ed.)

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1995

Go to Galileo probe in A Dictionary of Space Exploration (3 ed.)

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1997

Go to Sojourner in A Dictionary of Space Exploration (3 ed.)

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1998

Go to International Space Station in A Dictionary of Space Exploration (3 ed.)

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2003

Go to Columbia in A Dictionary of Space Exploration (3 ed.)

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2006

Go to International Astronomical Union in A Dictionary of Astronomy (2 rev ed.)

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2009

Go to satellite, artificial in World Encyclopedia (1 ed.)

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2011

Go to Cape Canaveral (Florida/USA) in The Concise Dictionary of World Place-Names (2 ed.)

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