Which of these is NOT typical of a condensing protostar?
A) magnetic fields producing polar flows
B) dusty disks around their equators
C) Herbig-Haro objects projecting a light year out in space
D) fusion of helium into carbon in their cores
E) more infrared than visible light given off from the cocoon of dust around the star
D
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Suppose reaction A involves the making of bonds and 44.5 J of energy, reaction B involves the making of bonds and 17.3 J of energy, and reaction C involves the breaking of bonds and 12.5 J of energy
What is the overall A + B + C reaction energy? Is this an exothermic or an endothermic reaction? Explain.
What is binding energy, and what physical effect causes it?
What will be an ideal response?
List at least three things that make Earth unique among the terrestrial planets.
Fill in the blank(s) with the appropriate word(s).
What is the hohlraum?
What will be an ideal response?