4. Numerical Question. The star Betelgeuse has a mass of about 18 Me and a radius of 800 Re. How long does it take for a photon to escape from the center of Betelgeuse? The photon will take a random walk scattering free electrons with a cross section of o= 6.65 x 10 m². Use the average density of Betelgeuse.
4. Numerical Question. The star Betelgeuse has a mass of about 18 Me and a radius of 800 Re. How long does it take for a photon to escape from the center of Betelgeuse? The photon will take a random walk scattering free electrons with a cross section of o= 6.65 x 10 m². Use the average density of Betelgeuse.
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![4. Numerical Question. The star Betelgeuse has a mass of about 18 Me and a radius of
800 Re. How long does it take for a photon to escape from the center of Betelgeuse? The
photon will take a random walk scattering free electrons with a cross section of or= 6.65
x 10 m². Use the average density of Betelgeuse.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ccd6113-db4b-4db4-b30e-8c8a43e918e2%2F99c915a5-c0b8-44c6-96c1-041e0edf36e1%2Fncvrl1j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. Numerical Question. The star Betelgeuse has a mass of about 18 Me and a radius of
800 Re. How long does it take for a photon to escape from the center of Betelgeuse? The
photon will take a random walk scattering free electrons with a cross section of or= 6.65
x 10 m². Use the average density of Betelgeuse.
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