Pluto Quiz Flashcards
Plutos orbit actually cuts inside the orbit of _______.
Neptune
in 2006 the IAU reclassified Pluto as _______.
Dwarf Planet
which of the following is NOT classified as a dwarf planet?
Mars, Vesta, Uranus, Eris
which of these is the former main belt asteroid?
Ceres
Which of the following do not orbit the Sun?
Stars
most asteroids are found in the ______.
Main Belt
which is/are found in the main belt and orbits the Sun
Ceres and Vesta
Which object orbits the Sun the fastest?
Mars
which object orbits the Sun the slowest, taking about 557 Earth years?
Eris
Which object is often compared to a “dirty snowball”
Comet
As a comet gets closer to the Sun it’s tail
points away from the Sun
Most comets originate from the
Oort Cloud
As a comet gets closer to the Sun its tail
lengthens
It takes Halley’s Comet _____ years to orbit the Sun.
76
Halley’s Comet should return to Earth in the years?
2061-62