Dwarf Planets!

By: Kaitlyn S.

Criteria for a Dwarf Planet

Acoording to the IAU the criteria for a dwarf planet is,

-It must orbit a star.

-not be a moon.

-have enough mass to be a sphere shape.

-not have cleared the smaller objects around its orbit.

Ceres

-Only planet in the asteroid belt

-Smallest dwarf planet

-It WAS a planet for half a century

-it is 32% of the asteroid belts mass

-it has no known moons

MakeMake

-3rd Largest Dwarf Planet

-Diameter is 3/4 of Pluto

-No known moons

-Discovered on March 31st 2005

-Changed to a Dwarf Planet in 2008

-it takes nearly 310 years to orbit the sun ONCE

-the temperature is -406 degrees Fahrenheit (-240 Celcius)

-it appears to be red which is odd considering its red

Haumea

-One day on Haumea is 3.9 Earth hours

-it has a thin icy crust

-it was named a Dwarf Planet in 2008

-it has a large red spot on its surface

-it has two moons Namaka and Hi'aka

Eris

-Largest dwarf planet

-1st identified in 2005

-with the exceptions if some comets, it is the oat distant object In the solar system

-Bigger than Pluto

-it takes 560 years for Eris to orbit the sun ONCE

Bibliography

"Images." Images. N.p., n.d. Web. 28 Apr. 2015.


"World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 24 Apr.


"Dwarf Planets." : Classification, Discovery, Definition, Kuiper Belt. N.p., n.d. Web. 27 Apr.

2015.


https://m.youtube.com/watch?v=Ho5FEyftFss


"MakeMake Dwarf Planet." Dwarf Planets. N.p., n.d. Web. 28 Apr. 2015.


https://www.youtube.com/watch?v=CnNzpnCj1yo