Pluto, Dwarf Planets, and/ or Planet X

How many dwarf planets are there in our solar system? A. 5 B. 9 C. 11 D. 31

A

Which one of the officially recognized dwarf planets is NOT located in the outer solar system? A. Ceres B. Pluto C. Eris D. Makemake E. Haumea

A

All of the following are requirements for a planet to be considered a dwarf planet EXCEPT: A. Must be in direct orbit of the Sun and not be a moon around another body B. Must be further in distance from the Sun than most planets C. Must be massive enough for it to have become spherical in shape under its own gravity D. Must have not cleared the neighborhood around its orbit

B

In what year was Pluto demoted from planet to "dwarf planet"? A. 2004 B. 2006 C. 2007 D. 2011

B

Now that Pluto is no longer included, how many planets are there in the Solar System? A. 7 B. 8 C. 6 D. 4

B

Pluto is sometimes closer to the sun than... A. Saturn B. Neptune C. Uranus D. It is always the farthest from the sun

B

Where was Pluto discovered? A. At a Torchy's Tacos in Aurora, Colorado B. At an observatory in Flagstaff, Arizona C. At a public park in Eugene, Oregon D. At an observatory in Berkeley, California

B

Ceres is located in what region of the Solar System A. The Inner Planets B. Moons of Jupiter C. The Asteroid Belt D. The Kuiper Belt

C

Out of the three criteria needed to be classified as a planet, which did Pluto not meet? A. It is in orbit around the Sun B. It has sufficient mass to assume hydrostatic equilibrium C. It has "cleared the neighborhood" around its orbit.

C

Planet X's size is most comparable to A) Earth B) Jupiter C) Neptune D) Pluto

C

What is the name of Pluto's largest moon? A. Styx B. Nix C. Charon D. Hydra

C

According to the recent images what shape is on the surface of Pluto? A. Diamond B. Triangle C. Cross D. Heart E. Smiley Face

D

How big is Pluto? A. The size of a dog B. Half the size of Earth C. Four times the size of Earth D. About the size of Australia E. Twice the size of Earth's moon

D

How many Earth years does it take Pluto to go around the sun? A. 4 B. 621 C. 32 D. 248 E. None of the above

D

How many moons does Pluto have? A. 3 B. 6 C. 4 D. 5

D

Which Dwarf planet is furthest from the sun? A. Pluto B. Ceres C. Makemake D. Eris

D