Please enable JavaScript.
Coggle requires JavaScript to display documents.
7.2 Astronomy - Coggle Diagram
7.2 Astronomy
Solar System
The Sun
Our solar system's star
Produces energy by nuclear fusion
Dwarf Planets
Such as Pluto
The Planets
All orbit the sun
Larger planets are more gaseous
Larger planets have stronger gravitational fields, so attract debris to form a ring
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Weight
Object's weight is different on each planet
W = mg
Gravitational field strength varies across planets
Asteroids
Large rocks mostly found between Mars and Jupiter
Comets
Produce tails as they melt
Clusters of rock and ice that moving in elliptical orbits
Often remains of unformed planets
Artificial Satellites
Man-made satellites for communications and imaging