Formation of Atoms and the Universe
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19 Terms
Existed just before the big bang
Unstable energy
When did the big bang occur?
14 billion years ago
Big bang changed energy into…
Matter
Particles formed in the first second of the big bang
Protons, neutrons, and electrons
In the first 3 minutes of the big bang what was formed?
Hydrogen
The force brought the hydrogen together
Gravity
When huge amounts of hydrogen came together it formed a…
Star
The process that takes place in stars
Fusion
Element made by normal star process
Helium
Which stars go supernova?
Very large stars
Makes all the elements bigger than helium
Supernova
Light cannot escape from a…
Black hole
When did our solar system form?
4.5 billion years ago
The color of a star indicates its…
Temperature
To determine the composition of star you exam its…
Spectral fingerprint
Because of the expansion of the big bang the universe is still
Expanding
The big bang left this behind as evidence
Background radiation
Third planet from the sun
Earth
Closest planet from the sun
Mercury