Describe evidence for convection in the photosphere

What will be an ideal response?


The convective cells rise upward through the convective zone to erupt in the photosphere as the granulation pattern, where the cells radiate away light and cool off and break up in just a few minutes.

Physics & Space Science

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Why are massive stars more luminous than low mass stars? That is, why is there a mass-luminosity relation?

What will be an ideal response?

Physics & Space Science

Work: A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

A. 180 J B. 90 J C. 45 J D. 0 J E. 900 J

Physics & Space Science

The ________ background radiation in fact far exceeds all the energy radiated by all the stars and galaxies that formed since then

Fill in the blank(s) with correct word

Physics & Space Science

If a = 60 cm, b = 80 cm, Q = ?6.0 nC, and q = 3.0 nC in the figure, what is the magnitude of the electric field at point P?

A. 71 N/C B. 56 N/C C. 60 N/C D. 53 N/C E. 67 N/C

Physics & Space Science