Unit 7 /Waves and the Universe
Big Bang Theory
The theory that the universe originated in a huge explosion that released all matter and energy.
All of the frequencies or wavelengths of electromagnetic radiation
How many wave peaks pass a certain point per given time
The theory that the expanding universe will reach a maximum size, then start to contract again.
Energy that is radiated or transmitted in the form of rays or waves or particles.
Visible Light Spectrum
The portion of the electromagnetic spectrum that is visible to the human eye (ROY G. BIV)
Distance between crests and waves
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
A graph of star magnitude (brightness) and luminosity (temperature)
Distance light travels in one year.
The actual brightness of a star
Greatness of size, strength, or importance
A large cloud of dust and gas in space
A celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
All of space and everything in it
Rocky objects revolving around the sun that are too small and numerous to be considered planets
The average distance between Earth and the sun, about 150 million kilometers
The envelope of gases surrounding the earth or another planet.
A part or element of a larger whole.
A meteoroid that burns up in Earth's atmosphere
Sun, planets, and all the other objects that revolve around the sun
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