It's been 3981 days
since New Horizons'
closest approach
to Pluto on
July 14, 2015.
It's been 2714 days
since New Horizons'
closest approach
to 2014 MU69 on
January 1, 2019.
Questions? Comments?
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Current Date
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78th day of Spring
15 days until Summer
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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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131 years ago, in 1801:
Giuseppe Piazzi of Italy discovers the largest asteroid, Ceres.
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27 years ago, in 1905:
At the Lick Observatory, Charles D. Perrine discovers Elara, the eighth largest moon of Jupiter.
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322 years ago, in 1610:
Galileo sees three of the four "Galilean" moons of Jupiter for the first time through a telescope.
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142 years ago, in 1790:
Caroline Herschel discovers her third comet, Comet C/1790 A1 (Herschel).
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44 years ago, in 1888:
James Edward Keeler is the first to view what is known as the Encke Gap in Saturn's A ring, using the 36 inch telescope at Lick Observatory.
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290 years ago, in 1642:
Galileo Galilei dies at age 77 in Arcetri, Grand Duchy of Tuscany, Italy.
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322 years ago, in 1610:
Galileo noticies one of the three "Galilean" moons has disappeared; leading to his belief they were moons.
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145 years ago, in 1787:
William Herschel discovers two moons of Uranus, Oberon and Titania.
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25 years ago, in 1907:
Sergei Korolev, the Soviet "chief designer", is born in Zhytomyr, Russian Empire.
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322 years ago, in 1610:
Galileo discovers the fourth "Galilean" moon of Jupiter.
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146 years ago, in 1786:
Comet 2P/Encke is first viewed by French astronomer Pierre Mechain.
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24 years ago, in 1908:
Pasiphae, the largest retrograde moon of Jupiter, is discovered by Philibert Jacques Melotte.
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147 years ago, in 1785:
NGC 2359 (Thor’s Helmet), a bright nebula in the constellation Canis Major, is discovered by William Herschel.
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