Timeline Mercury

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If the Sun were a pumpkin one foot in diameter, Mercury would be a tomato seed about 50 feet away.
    (SFEC, 4/30/00, Par p.9)

4.5Bil BC    The planet Mercury formed about this time.
    (Econ., 4/25/15, p.75)

1631        Nov 7, Pierre Gassendi observed a transit of Mercury as predicted by Kepler.
    (MC, 11/7/01)

1753        May 6, French King Louis XV observed a transit of Mercury at Mendon Castle.
    (MC, 5/6/02)

1859        Mar 26, 1st sighting of Vulcan, a planet thought to orbit inside Mercury.
    (SS, 3/26/02)

1962        Feb 5, Sun, Moon, Mercury, Venus, Mars, Jupiter & Saturn aligned within a 16 degree arc.
    (MC, 2/5/02)

1974        Sep 21, US Mariner 10 made a 2nd fly-by of Mercury.
    (NH, 5/01, p.38)(www.astronautix.com/craft/marner10.htm)

1974        Sep 21, Mariner 10 flew past Mercury a 2nd time.
    (NH, 5/01, p.38)

1975        Mar 16, Mariner 10 flew past Mercury a 3rd time.
    (NH, 5/01, p.38)

2004        Mar, NASA scheduled the $286 million Messenger spacecraft mission to fly 57 million miles to Mercury. http://sd-www.jhuapl.edu/MESSENGER/
    (SFEC, 2/27/00, Par p.15)

2004        Aug 3, At Cape Canaveral, Fla., a Delta II rocket lifted the spacecraft Messenger on a 6 year journey toward Mercury. The name stood for Mercury Surface, Space Environment, Geochemistry and Ranging.
    (SFC, 8/4/04, p.A2)(Econ, 7/24/04, p.74)

2008        Jan 14, The NASA space probe Messenger skimmed 124 miles above Mercury in the first of 3 passes before it settles into orbit in 2011.
    (SFC, 1/14/08, p.A20)

2011        Mar 17, The US spacecraft Messenger went into orbit around Mercury after a 6-year, 4.9 billion mile journey. Messenger was expected to crash on April 30, 2015.
    (SFC, 3/19/11, p.A5)(Econ., 4/25/15, p.75)

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