1) Who discovered Pluto?
a) Nicholas Copernicus
b) Galileo Galilei
c) Johannes Kepler
d) Clyde Tombaugh
2) When was Pluto discovered?
a) 1930
b) 1900
c) 1850
d) 1630
3) How many years does Pluto take to orbit the Sun?
a) 160
b) 184
c) 248
d) 512
4) Who is Pluto in mythology?
a) God of underworld
b) God of Lightning
c) God of Harvest
d) God of Wealth
5) When was Charon discovered?
a) 1965
b) 1972
c) 1978
d) 1984
6) When were Hydra and Nix discovered?
a) 1987
b) 1995
c) 2005
d) 2007
7) How is the orbit of Pluto around the Sun?
a) Circular
b) Square
c) Eccentric
d) Rectangular
8) When was the last time Pluto was closest to the Sun?
a) 5 September 1978
b) 21 January 1979
c) 5 September 1989
d) 11 February 1999
9) What is Pluto’s rotation period?
a) 2 days
b) 6.387 days
c) 9.45 days
d) 12 days
10) Who founded Lowell Observatory in Flagstaff for search of Planet X?
a) Percival Lowell
b) Vesto Slipher
c) John Hubble
d) Jean Kelvin
Pluto Quiz Answers
1) Who discovered Pluto?
d) Clyde Tombaugh
2) When was Pluto discovered?
a) 1930
3) How many years does Pluto take to orbit the Sun?
c) 248
4) Who is Pluto in mythology?
a) God of underworld
5) When was Charon discovered?
c) 1978
6) When were Hydra and Nix discovered?
c) 2005
7) How is the orbit of Pluto around the Sun?
c) Eccentric
8) When was the last time Pluto was closest to the Sun?
c) 5 September 1989
9) What is Pluto’s rotation period?
b) 6.387 days
10) Who founded Lowell Observatory in Flagstaff for search of Planet X?
a) Percival Lowell
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