Solar System Discovery
Geocentric means what?
That the earth is the center of the universe.
how long was the solar system said to been made.
4.6 billion years ago
What makes a dwarf planet a dwarf planet?
A lot smaller then a traditional planet.
Heliocentric means what?
It means that sun is at the center of universe
What 3 substances formed the solar system
gas, ice and dust that formed slowly
Asteroids colliding make what?
meteoroids
an ethnic group that live in Mali that have ancient knowledge of the solar system.
the Dogon
Shockwaves from a what __ made the three substances condense
What is a supernova
comets are made of what?
gas dust and ice
The two Starr system that scientists observed in the 1920's
Sirius
This type of fusion formed a sun
Nuclear
What are asteroids made of
millions of small rocky objects
What planets and other orbiting objects do the dogs have information on?
The Moon, Venus, Saturn, Jupiter, and the Milky Way.
What happened to the rest of the objects left behind
What do asteroids, planets, comets, and dwarf planets have in common.
They all orbit the planet.