Key Terms and Facts

Gravitational Pull

Keeps us in orbit

To determine what solar system something is in

Look at what it orders

Eliptical Orbit

Not a circle

Orbital Speed formula words

2[pi] x Orbital Radius (m) = Orbital Speed (m/s) x Time Period (s)

Orbital Speed formula letters

2[pi]r = v x T

Satellite

Something that orbits something

When Orbital Speed increases

Satellite speed decreases

Asteroids

An asteroid is a lump of rock

Comets

Balls of dust and gas (tail in opposite direction to sun)

Order from coolest to hottest

Red, Orange, Yellow, White, Blue