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< December 2013 >
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
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2
Chang'e 3 / Yutu: Launch
3
40th Anniversary, Pioneer 10: Jupiter Flyby
4
35th Anniversary, Pioneer Venus 1: Venus Orbit Insertion 55th Anniversary, Ye-1/3: Launch
5
Comet ISON Viewing Event in California
6
Chang'e 3 / Yutu: Lunar Orbit Insertion 55th Anniversary, Pioneer 3: Launch
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9
Comet ISON Viewing Event in California -- Lafayette Library & Learning Center 35th Anniversary, Pioneer Venus 2: End of Venus Mission
10
11
Comet ISON Viewing at Hardin Planetarium (Kentucky) 15th Anniversary, Mars Climate Orbiter: Launch
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14
Houston Arboretum - Comet ISON Viewing Chang'e 3 / Yutu: Lunar Landing
15
16
17
Full Moon 1st Anniversary, GRAIL: GRAIL-B Lunar Impact 1st Anniversary, GRAIL: GRAIL-A Lunar Impact
18
19
10th Anniversary, Mars Express: Beagle 2 Lander Release (Unsuccessful)
20
21
Winter Solstice 10th Anniversary, Beagle 2: Beagle 2 Released 35th Anniversary, Venera 12: Venus Landing 45th Anniversary, Apollo 8: Launch
22
30th Anniversary, ISEE-3/ICE: Entered Heliocentric Orbit 30th Anniversary, ISEE-3/ICE: Renamed International Cometary Explorer
23
24
10th Anniversary, Beagle 2: Lost on Mars 45th Anniversary, Apollo 8: Lunar Orbit Insertion
25
10th Anniversary, Mars Express: Mars Orbit Insertion 10th Anniversary, Mars Express: Orbiter Science Operations 35th Anniversary, Venera 11: Venus Landing 45th Anniversary, Apollo 8: Lunar Departure
26
Comet ISON: Closest Approach to Earth
27
45th Anniversary, Apollo 8: End of Lunar Mission 45th Anniversary, Apollo 8: Recovery on Earth
28
29
5th Anniversary, Deep Impact (EPOXI): Earth Flyby 2
30
EXPLORE LADEE
31
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Ongoing Events:
18 Nov 2013 - 15 Dec 2013 MAVEN: Launch Window  
1 Dec 2013 - 31 Jan 2014 Comet ISON Viewable in the Northern Hemisphere  
5 Dec 2013 - 12 Dec 2013 Comet ISON Viewing at Mingo Observatory (Pennsylvania)  
14 Dec 2013 - 13 Dec 2013 Geminids Meteor Shower Peak  
22 Dec 2013 - 23 Dec 2013 Ursids Meteor Shower Peak