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Sagot :
Answer:
A white dwarf is what stars like the Sun become after they have exhausted their nuclear fuel. Near the end of its nuclear burning stage, this type of star expels most of its outer material, creating a planetary nebula. Only the hot core of the star remains. ... That means a white dwarf is 200,000 times as dense.
Explanation:
they are cold
they are about the size of Earth
these both are not true
The white dwarfs are the degenerative dwarf that are not cold in nature and have the size of earth.
What are white dwarfs?
White dwarfs are the hot glowing stars that exhaust the sun nuclear energy and form the basis of the glowing nature with the emission of the UV and X radiations.
The size of the white dwarf have been half of the sun, or have been equivalent to the earth.
Thus, the statement incorrect for the white dwarf is that they are cold.
Learn more about white dwarfs, here:
https://brainly.com/question/2624737
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