How does a star's luminosity relate to its radius and surface temperature?

What will be an ideal response?


As either radius or surface temperature increases, the luminosity also increases. The luminosity is proportional to the square of the radius and the fourth power of the temperature.

Physics & Space Science

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Earth spins completely upright like a giant top

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

The positron was first predicted by

A) Einstein. B) Planck. C) Elvis Presley. D) Dirac. E) Heisenberg.

Physics & Space Science

A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel moves with a speed 2.0 m/s relative to the floor

(a) At what speed is the central axis of the wheel moving relative to the floor? (b) What is the angular speed of the wheel?

Physics & Space Science

A common fuel impurity in fossil fuels is ______________

Fill in the blank(s) with correct word

Physics & Space Science