1. Astronomers are very confident that 2. Why doesn\'t a brown dwarf fuse hydrog
ID: 1865935 • Letter: 1
Question
1. Astronomers are very confident that
2. Why doesn't a brown dwarf fuse hydrogen to helium in its core?
a) the Sun is producing significant quantities of carbon in its core. b) the iron on the Earth first formed in the core of the sun, was brought to the surface by convection, and then was distributed across the solar system by the solar wind. c) the Sun formed from an interstellar gas cloud that only contained hydrogen and helium. d) the core of the Sun is becoming totally empty of nuclei as hydrogen fuses into helium. e) the carbon, oxygen, and many elements essestial to life were created by nucleosyntheses in stellar cores.Explanation / Answer
Question-1. e) the carbon, oxygen, and many elements essential to life were created by nucleosyntheses in stellar cores.
Question-2. c) The surface temperature never rises high enough for the radiation to be trapped and heat the interior to the temperatures required for nuclear fusion.
Explanation:- Because the mass of the brown dwarf is not so much to make temperature high.
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