It's been 4014 days
since New Horizons'
closest approach
to Pluto on
July 14, 2015.
It's been 2747 days
since New Horizons'
closest approach
to 2014 MU69 on
January 1, 2019.
Questions? Comments?
Send me an email:
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Current Date
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18th day of Summer
75 days until Fall
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Sunday
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Monday
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Tuesday
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Wednesday
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Thursday
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Friday
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Saturday
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47 years ago, in 1843:
The Great Comet of 1843 is first observed.
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90 years ago, in 1800:
While testing filters for observing the Sun, William Herschel discovers infrared radiation in sunlight.
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326 years ago, in 1564:
Galileo Galilei is born in Pisa, Duchy of Florence, Italy.
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45 years ago, in 1845:
The 72-inch Rosse (Leviathan of Parsonstown) Telescope sees "first light".
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417 years ago, in 1473:
Nicolaus Copernicus is born in Thorn, Royal Prussia, Kingdom of Poland.
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103 years ago, in 1787:
William Herschel's 40-foot (Great Forty-Foot) Telescope sees "first light".
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274 years ago, in 1616:
Galileo Galilei is ordered by the Inquisition to abandon the Copernican theories.
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107 years ago, in 1783:
NGC 2360 (Caroline's Cluster), an open cluster in the constellation Canis Major, is discovered by Caroline Herschel.
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47 years ago, in 1843:
The Great Comet of 1843 makes a very close perihelion of less than 515,000 miles (830,000 km).
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334 years ago, in 1556:
The German astronomer Joachim Heller discovers the Great Comet of 1556 (C/1556 D1).
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