Describe the transport of energy, from the deep interior of the Sun, to when it finally reaches the Earth. Include the various methods of transport
What will be an ideal response?
Energy is produced in the core. It enters the radiative zone, where it moves as radiation. As it gets further out from the center, the gas gets less ionized and so more opaque to radiation. In this region the energy moves by convection, with hot gas physically rising through the Sun. When it reaches the surface, or photosphere, the low density makes the Sun transparent, and the energy escapes as light.
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A material that requires time to fully recover strain after the stress is reduced to 0 is _____________.
Fill in the blank(s) with the appropriate word(s).
The center of the Milky Way galaxy is in the direction of the constellation ____
a. Sagittarius b. Scorpius c. Orion d. Perseus e. Andromeda
Where does nuclear fusion occur in the Sun?
A) on the surface B) in a layer just below the surface C) deep in its core D) in a layer just above the visible surface E) all of the above
A solid conducting sphere (radius = 5.0 cm) has a charge of 0.25 nC distributed uniformly on its surface. If point A is located at the center of the sphere and point B is 15 cm from the center, what is the magnitude of the electric potential difference between these two points?
a. 23 V b. 30 V c. 15 V d. 45 V e. 60 V