That may refer to a white dwarf, or to a neutron star.
Such a star, would be called a "white dwarf" star.
Behind the grille.
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A neutron star is the collapsed remains of a supernova. It is an incredibly dense - and incredibly hot - pile of stellar ash. What is happening in it is slow cooling. One well-known physicist (James S. Trefil) states that the full cooling of a neutron star would take longer than the current known age of the universe (15 billion years).
The best information on geothermal heating and cooling will come from your local heating and cooling professional, who will evaluate your situation and help determine what product is right for you. There are many websites that offer general information on geothermal heating and cooling as well, including Earth Comfort, Geo Comfort and Energy Star.
No, a red giant is not an old, very dense hot star that is cooling. Instead, it is a late stage in the evolution of a star that has exhausted the hydrogen in its core and is now fusing helium or heavier elements. As a result, the outer layers expand and cool, giving the star its characteristic reddish color. While red giants can be quite large, they are not notably dense compared to other stellar types, like white dwarfs.
The Northstar engine is a self purging engine. It requires no bleeding procedure.
Black hole- an object so dense that even light cannot escape its gravity Red Giant - a large star that is relatively cool White Dwarf - an old, very dense hot star that is cooling Nebula - A mass if gas and dust
A drying star that has collapsed to the size of the earth and is slowly cooling off; located are lower left of the H-R diagram.
Air cooling ,hydrogen gas cooling ,water cooling
When the outer layers of a star cool, it typically becomes a red giant or a supergiant, depending on its initial mass. As the star expands and its temperature decreases, it emits light primarily in the red spectrum. Eventually, it may shed its outer layers, leaving behind a hot core that can become a white dwarf, neutron star, or even a black hole, depending on the star's mass. The cooling process marks the later stages of stellar evolution, ultimately leading to the star's death.
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