how may years does it take for heat generated in the Sun's core to reach the photosphere ?

Question

A. 25 million years
B. 15 million years
C. 10 million years

Answer 1

"The high-energy photons (gamma and X-rays) released in fusion reactions take a long time to reach the Sun's surface, slowed down by the indirect path taken, as well as by constant absorption and reemission at lower energies in the solar mantle. Estimates of the "photon travel time" range from as much as 50 million years[7] to as little as 17,000 years.[8] After a final trip through the convective outer layer to the transparent "surface" of the photosphere, the photons escape as visible light. "

Answer 2

Campbelp2002 rather lots sums it up. i got here across a piece of writing (see hyperlink below) which starts off with: "Asking how long photons take emigrate to the solar's floor can start up a combat. some image voltaic physicists say 17,000 years, others 40,000, some a hundred and seventy,000, nonetheless others a million,000,000 years. it quite is a particularly problematic question, with the aid of fact the solar's center — the place a photon starts off — is a undesirable place to make lots progression." We had the comparable question in my astronomy classification and we had, enable us to assert, a energetic communicate (luckily, no scuffling with).

Answer 3

D
None of these answers is correct, the time varies (50 million to 17,000, according to the source) and is not truly known. Every proton takes a different path to the surface, and face varying obstacles, such as reabsorbtion. NASA estimates it at between 10,000 and 170,000 years.

Write that on your homework and impress your teacher, and get back to studying.

Answer 4

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