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URGENT!!! retrieving files from a broken memory stick? |
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Unusual facial expressions? |
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Ugliest football player ? |
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Luminosity
In astronomy, luminosity is the total amount of energy emitted by a star, galaxy, or other ... Luminosity can also be given in terms of magnitude. ... To determine a star's radius, two other met... |
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Calculations between wavelength, frequency and energy - ChemTeam
Problem #1: A certain source emits radiation of wavelength 500.0 nm. What is the ... Problem #3: Determine the wavelength (in meters) of photons with the following energies: a) 92.0 ... . Hint: these energies often have the magnitude of 10-19 J. |
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Earthquakes
Using the above equation, the released energy was ... energy? If we consider two earthquakes, one of magnitude M1 and another of magnitude M1 + 1, we get ... |
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Type 1 Civilisations? |
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Planetary energy balance
How do we calculate the Earth's effective temperature? ... Most of the energyemitted by the Earth and the other planets is in the infrared part of the ... This difference of 33 K is the magnitude of the greenhouse effect. ... The solar flux arriving at Mars and Venus is calculated using the inverse square law (p. |
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Lecture 7: How Bright is a Star?
Apparent brightness is the rate at which a star's radiated energy reaches an ... We know that stars are constantly emitting photons in all directions. ... With the invention of the telescope, the magnitude system was extended to ... |
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Absolute and apparent magnitudes
Q: Does this mean that Sirius is a much more powerful star, one which emits hundreds of times as much energy as HD 49980? No! The reason, of course, is that two factors determine the apparent brightness of a star in our sky. ... The ordinary convention is to write apparent magnitudes with a lower-case letter m, and ... |
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How much bigger is a magnitude 8.7 earthquake than a magnitude 5.8
Another way to get about the same answer without using a ... of magnitude 5.8 to equal the energy released by one magnitude 8.7 event. |
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Magnitude/Intensity | Pacific Northwest Seismic Network
When referring to the power or energy released in an earthquake this 32 mutiplier is ... . to see how much bigger an earthquake can get with different magnitudes. |
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Earthquake Energy Calculator - AlabamaQuake.com
energy radiated by the earthquake, using well-calibrated seismic stations. ... The moment magnitude scale measures the total energy released by an earthquake ... |
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Stellar Magnitudes
Intensity is measured in energy per unit time per unit area, say in ... I can be measured in lumens/m2 or lux, if we are concerned with visual brightness. ... . It is like the radiation that is emitted by a small aperture in the wall of a cavity ... . Then, since we know its apparent magnitude, its distance (parallax) can... |