The Stelan Bomann equation can be used to estimate the size of asteroids. "Sigma," the Stefan-Boltomann constant, is 5.67 x 10 Watts. If you want to abbreviate PL use 11415 You measure the infrared emission from an asteroid and conclude that it has a temperature of 249 K. Using radar you find the distance, and are then able to use your infrared brightness to determine a luminosity of 7.21E-12 Watts if you assume the asteroid is roughly spherical, what is its radius in meters? CHECK ANSWER
The Stelan Bomann equation can be used to estimate the size of asteroids. "Sigma," the Stefan-Boltomann constant, is 5.67 x 10 Watts. If you want to abbreviate PL use 11415 You measure the infrared emission from an asteroid and conclude that it has a temperature of 249 K. Using radar you find the distance, and are then able to use your infrared brightness to determine a luminosity of 7.21E-12 Watts if you assume the asteroid is roughly spherical, what is its radius in meters? CHECK ANSWER
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Transcribed Image Text:The Stefan-Boltzmann equation can be used to estimate the size of asteroids. "Sigma," the Stefan-Boltzmann constant, is 5.67 x 10 Watts/m²K. If you want to abbreviate Plus 1.1415
You measure the infrared emission from an asteroid and conclude that it has a temperature of 249 K. Using rader you find the distance, and are then able to use your infrared brightness to determine a luminosity of 7.21E+12
Watts. If you assume the asteroid is roughly spherical, what is its radius in meters?
CHECK ANSWER
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