The Big Bang Theory is...
All the matter in the universe was concentrated into a single incredibly tiny point
The point began to enlarge rapidly in a hot explosion
rocks collided when the universe heated up
this formed planets
The further away a galaxy is...
the faster it is moving away
the slower it is moving away
the bigger it is
the smaller it is
What is a nebula?
A swirling cloud of gas and dust
The opening to the black hole
Something off star trek lol
Nebula clouds are pulled together by...
Gravity
Intermolecular forces
Magnetic fields
The spinning ball of gas starts to get..
Hot
Cold
Gravity causes the star to get...
smaller
bigger
After millions of years, the ____ temperature is hot enough for nuclear fusion.
Average
Core
Centre
As ______ nuclei join together to form ____ nuclei, energy is released and the star continues to shine while there is enough _____.
Hydrogen and Helium
Carbon Dioxide and Water
Iron and Iron dioxide
Smaller stars shine longer than bigger stars because they use up the hydrogen at a slower rate.