Evidence Supporting the Big Bang

Open Ended

Do Now: How does the red-shift of light from other galaxies provide evidence for the big bang theory?

​https://classroom.google.com/c/NjIxMjM1ODEzMTQ4/a/NjIzODkyOTY4NTMw/details

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​https://classroom.google.com/c/NjIxMjM1ODEzMTQ4/a/NjIzODk1NTkyODM2/details

Multiple Choice

• When an object emitting light waves moves away the observer, what happens to the light waves it is emitting?

• • A: The are stretched to longer wavelengths, 

• • B: They are compressed to shorter wavelengths, 

• • C: The wavelength does not change

Multiple Choice

• When an object emitting light waves moves toward the observer, what happens to the light waves it is emitting?

• • A: The are stretched to longer wavelengths, 

• • B: They are compressed to shorter wavelengths, 

• • C: The wavelength does not change

Multiple Choice

• Is Spectrum B red-shifted or blue-shifted? (compare to A)

• Red-Shifted

• Blue-Shifted

Dropdown

What spectrum is moving towards earth B or C

(compare to A)


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Select answer

Dropdown

What spectrum is moving fastest B or C

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Select answer

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​https://classroom.google.com/c/NjIxMjM1ODEzMTQ4/a/NjIzODk2NDM5NTQ2/details