Loose collections of ice,dust, and small rocky particles whose orbits can be very long

The solid inner core of a comet

Rocky objects, to small to be a dwarf planet or a planet

Objects that orbit the Sun and have enough gravity to pull themselves into a sphere

Clouds of gas and dust form a fuzzy outer layer

Meteoroids that impact Earth and can leave craters

A region of the Solar System between Mars and Jupiter

Beyond Neptune's orbit

Occur when Earth passes through an area with many meteoroids

More than than 100 Million kilometers long and from Earth, appears to stretch across most of the sky

Which out of these is the most outer part of our Solar System

What shape is Comets Orbit

Which two objects are hardest to tell apart

A comet is bigger than a dwarf planet

Asteroids are bigger than Comets

Dwarf Planets are Bigger then Asteroids

Arizona was hit by a Meteor 49,999 years ago and the Meteor was about 100-200 meter wide

What do Astronomers Study

When did pluto become a dwarf planet