Geology- Origins of the Earth
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22 Terms
Voyager 1
Pale Blue Dot (Feb 14, 1990)
What is the universe composed of?
mass, matter, energy, empty space
In order of size (greatest to smallest), how can the Universe be grouped?
Universe, Galaxy, Solar System, Planet System
How old is the Earth?
4.6 billion years
How old is the Milky Way?
4.6 billion years
How old is the Universe?
13.7 billion years
What is the formula for the equivalency of mass and energy?
E=mc²
What does the c stand for in the formula for the equivalency of mass and energy?
The speed of light
What is the velocity of light?
3×10^8 meters/second
What length are UV, x-ray, and gamma waves?
400 nanometers
What is the shortest color wavelength of light?
Violet
Are short light waves dangerous or long waves?
Short waves
How long are the longest waves (Infrared and radio)?
700 nanometers
What color light wave is the longest?
Red
What are the primary light colors?
Red, green, blue
What is the Doppler effect?
Moving away and towards light makes it change color
What color is light when it is moving towards you?
Blue
What color is light when it is moving away from you?
Red
What is the Hubble & Lemaitre Law?
Planets move with speed equal to their distance, the further they are the faster they move
What does CMBR stand for?
Cosmic Microwave Background Radiation
What is CMBR?
First light visible after the Big Bang
What is the Large Hadron collider?
A particle colider attempting to recreate the Big Bang