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Both. A subgiant can be a young star (1,000 years old) to an old star (10 billion years old).

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Which is bigger a neutron star or a subgiant star?

A subgiant star is bigger than a neutron star. Neutron stars are incredibly dense and compact, with a radius of about 10-15 kilometers, while subgiant stars have a larger radius of several million kilometers.


How big is a subgiant star?

very


Is the Dubhe star a red giant?

Dubhe is not a red giant but rather a subgiant star. It is the brightest star in the Big Dipper asterism and is classified as an evolved F-type subgiant star.


What kind of star is Phact?

A binary star. The main component is a Be-type subgiant.


Which star is larger neutron star or subgiant star?

A subgiant star is larger than a neutron star. Neutron stars are incredibly dense and compact remnants of massive stars, while subgiant stars are in a transitional phase between main sequence and red giant stages, typically larger and more diffuse than neutron stars.


What type of star is sarin?

Sarin is not a type of star; it is a highly toxic chemical compound known as a nerve agent.


What is a subgiant?

A subgiant is a class of star that is brighter than most normal dwarf main sequence stars but not bright enough to be classed as a giant.Eg. Procyon (α CMi / α Canis Minoris / Alpha Canis Minoris)


What type of star is rastaban?

Rastaban is a binary star system in the constellation of Draco. The primary star is a yellow-white subgiant, while the secondary star is most likely a red dwarf.


What type of star is the zeta phe star?

Zeta Phe is a blue-white main sequence star that is approximately 610 light-years away from Earth. It is a subgiant star with a spectral type of B7 IV.


Luminosity class IV objects are known as?

If you are referring to the Yerkes spectral classification, a Class IV star is known as a subgiant.


How can you tell how old a star is?

In star lives, there are no old blue stars. All blues stars are young.


Is a neutron star a young star or an old star?

neutron star is a stellar remnant so it is neither a young star nor an old star . It is formed by the gravitational collapse of massive star and are composed of neutrons . neutron star has a mass in between 1.35 to 2 solar masses