object(stdClass)#152 (6) { ["pageType"]=> string(4) "quiz" ["pageId"]=> int(1343958) ["pageOwner"]=> int(1330111) ["pageUrl"]=> string(0) "" ["language"]=> string(7) "english" ["disabled"]=> bool(false) } Space Object discovery year
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Space Object discovery year

can you guess when these space objects where found?
Quiz by Bigbrainboy
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Last updated: September 3, 2020
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First submittedAugust 15, 2020
Times taken42
Average score33.3%
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Space Object
Year
Pluto
1930
Uranus
1781
UY Scuti
1860
MK2
2015
Jupiter
1610
Orcus
2004
Ceres
1801
VY Canis Majoris
1801
Space Object
Year
Sedna
2003
Makemake
2005
Mercury
1563
Mars
400 BC
Earth (co-discovered)
1666
Venus
1761
Betelgeuse
1836
Relox84
+1
Level 70
Aug 15, 2020
Please explain to me how you got discovery dates for objects that are known since ancient times, and especially for the EARTH.
Baxtergrad
+1
Level 52
Dec 13, 2020
Aliens.
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