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\nWhat Actually Expands In An Expanding Universe?\n

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\n\nPublisher:\n\nVeritasium\n\n\n
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\nThis video discusses the concept of redshift and the expansion of the universe, starting with the discovery of the universe's expansion through the redshift of light from distant galaxies. It explains the three types of redshift: Doppler...\nThis video discusses the concept of redshift and the expansion of the universe, starting with the discovery of the universe's expansion through the redshift of light from distant galaxies. It explains the three types of redshift: Doppler redshift, gravitational redshift, and cosmological redshift, clarifying how each occurs and why they can be understood through different perspectives. The video ultimately emphasizes that redshifting is not due to space stretching but is a result of the relative motion of observers and their frames of reference.\n
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Resource Details

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Curator Rating
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Educator Rating
Not yet Rated
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Media Length
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11:18
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Grade
9th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nVeritasium\n\n
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Date
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2020
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Additional Materials

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Concepts

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space, gravitational field, photons, energy, stretching, galaxies
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Additional Tags

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veritasium, science, physics, expanding, universe, redshift, crm for small business, contact management solution, salesforce, salesforce essentials, small business software, what is crm, what is salesforce, customer relationship management, equivalence principle, coordinate system, doppler shifts, cosmic fluid, red shifted, cosmological redshift, doppler redshift, gravitational redshift, stationary observer, expanding space, photon reaches, expanding universe, moving observers, observers, relative, moving, observer, wavelengths, ship, inside, amount
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Classroom Considerations

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Best For: Explaining a topic
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Educator Ratings

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