Pluto is thought to be composed of... carbon rich material and rock frozen gas,

Question

Pluto is thought to be composed of... carbon rich material and rock frozen gas, water ice and rock rock and metal metal ice only carbon rich material carbon rich material, rock and metal Eventually the internal pressure from the Sun's core will rip off the overlying layers exposing the dead nuclear core of the Sun. The gas surrounding this core will glow from the ultraviolet light radiating from the core (fluorescence). At this point the Sun will have evolved into a. giant star supergiant star planetary nebula red dwarf brown dwarf When the sun runs out of hydrogen in its core and begins to fuse helium, it will become a... protostar giant star neutron star supergiant star main sequence star

Explanation / Answer

1) Pluto is thought to be composed of mostly ice. It may also has a small rocky core which has some metals. The ice is made of frozen nitrogen, methane and carbon monoxide.

So answer is: frozen gas, water ice and rock

2) Expanding shell of material ejected by a dying giant branch star.The planetary nebula glows by the fluorescence of the hydrogen gas from the ultraviolet light radiating from the core( stellar remnant at its center)

So answer is planetary nebula

3) As stars have a finite amount of material to fuse therefore has a limit to how long they live. When it burns through its hydrogen, it begins to fuse helium in the core, it is called the Helium Flash .At this point, the star inflates and becomes a giant . So at beginning it is called giant and after sometime called supergiant

So answer is giant star

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