Evidence for the formation on the Universe
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Transcript of Evidence for the formation on the Universe
Evidence for the formation on the Universe
How do we know the Universe is expanding?
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Electromagnetic SpectrumPg. 14 in your Best Friend
Stars emit light
Stars produce a spectra – • __ • __
Discoveries from the Doppler Effect
1. __2. The further away an object is from
us, the faster it is moving away.
Therefore, the universe is expanding explosively!!!
Cosmic Background Radiation
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Universe Summary
•__•__•Evidence for Expansion:
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Galaxies
We are located on the outer edge of the galaxy!
The Milky Way Galaxy vs. the Andromeda Galaxy
• They are on a collision course!!!
• What will happen when these two galaxies collide?
– Nothing, they are mostly empty space!
Andromeda
Sombrero Galaxy What do you think is in the center of a Galaxy
Whirlpool Galaxy
Galaxy Summary•__•__• ___• ___• ___