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Showing 1 - 10 of 11
Showing 1 - 10 of 11
Doppler Shift for Sound and Light
Text based page describing the mathematics of a Doppler Shift for sound and light.
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Relativistic Doppler Shift
Equation for Doppler Shift and relativistic Doppler shift.
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Earth's poles may switch
Short article from PhysicsWeb (Institute of Physics) which discusses possible future shifts in the orientation of the earth's magnetic field.
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Quasar
Quasars have large red shifts, indicative of great distance from the earth, but have variability with periods of weeks or months which indicate that they are small. Their size is on the order of ...
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The Hubble Law
Measuring the red shift for several galaxies from spectral lines.
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Hubble's Law
Hubble's law is a statement of a direct correlation between the distance to a galaxy and its recessional velocity as determined by the red shift.
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Hyperphysics - Mossbauer Effect
Description of the Mossbauer effect and absorption in Ir-191, with application to gravitational red shift.
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Red Shift
The light from distant stars and more distant galaxies is not featureless, but has distinct spectral features characteristic of the atoms in the gases around the stars. When these spectra are ...
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Doppler Physlet
Vary the velocity and notice the wavelength shift ahead of and behind the source. A shock wave, i.e., sonic boom, can be seen to form if the speed of the source is comparable to the phase velocity.
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Shin-Ichiro Tomonaga
Sinitiro Tomonaga (1913 - 1979) received the Nobel Prize for physics in 1965 along with, Julian Schwinger and Richard Feynman for their explanation of the Lamb-shift. This was a continuation of ...
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Showing 1 - 10 of 11