THE DWARF PLANETS

Untitled Slide

WHAT MAKES THEM SPECIAL

• Considered neither planet or moon
• 5 dwarf planets

DEFINE DWARF PLANET

• Small round shapes that orbit a star
• Most are smaller than earths moon
• Neither moon or planet

COMPOSITION OF DWARF PLANETS

• Nearly round shape
• Over 950 km wide
• Have not cleared space around it

WHO DISCOVERED PLUTO

• Clyde Tombaugh
• February 18, 1930

WHY ISNT PLUTO A PLANET

• It weighs less than the moon and mercury

WHY DO PEOPLE THINK IT IS A PLANET

• Not enough understanding of the planet
• Different features doesn't make it not a planet
• It has moons.

WHY DONT SCIENTISTS KNOW ABOUT PLUTO

• To far away

WHAT IS ODD ABOUT PLUTOS ORBIT

• More tilted axis
• Unbalanced oval
• Much farther away at aphelion
• Crosses orbital path between planet

HOW MANY MOONS

• 5
• Charon, Styx, Nix, Berberos, Hydra

FUN FACT

• 5 dwarf planets
• Maybe 100 more to be discovered