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Pluto - the Ex-Planet
Do you agree with Pluto's reclassification as a dwarf planet? This quiz will give you some interesting information on the history and characteristics of our former ninth planet of the Solar System.
In what year did 23-year-old American Clyde Tombough discover Pluto, or "Planet X", as it was termed then?
Although discovered in the United States, Pluto's name came from Europe - it was suggested by Falconer Maden, a former librarian at the Oxford University Bodleian Library.
Which of these statements is NOT true about Pluto?
It is a member of the Kupier belt.
It is the largest object of the Solar System's asteroid belt.
It is a dwarf-planet.
It is a binary planet.
Spectroscopic analysis revealed that Pluto's surface is composed mainly of this element.
Which is the wrong statement about the features of Pluto's orbit?
It is inclined compared to the plane of other planets' orbits.
It is elliptical.
At certain moments in time, it crosses Neptune's orbit.
In the long term, it is chaotic.
What is unusual about Pluto's three known moons compared to other moons in the Solar System?
They orbit Pluto at a very high speed.
They are untypically close to Pluto.
They are asteroids from another solar system attracted by Pluto and captured by gravitational forces.
Their orbits are unusually big and elliptical.
If one were to look at the sky from Pluto's surface, every 17 hours they would observe exceptionally beautiful rises of Charon because of its closeness to Pluto.
What feature would Pluto develop if placed as near to the Sun as Earth is?
None of these
A comet tail
A highly elliptic orbit
Pluto was the ninth planet of the Solar System for 76 years - from its discovery in 1930 until 2006 when it was reclassified as a dwarf planet.
The reclassification of Pluto as a dwarf planet in 2006 caused the emerging of what?
A sect of violent Pluto followers
New ethnical conflicts in the Middle East
Risings among astronomy teaches in the USA
New word in English
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