Grayish blue stars that have an amazing solar output for solar panels. Surface has heavy neutron parts that can be used as armor. Plasma can also be harvested from the jets to power a hand full of applications.
Real description
Neutron stars are one of the last stages of a dying star, known as a remanent. They are also very small in size, biggest being 30km in diameter. The microscopic size makes the elements that compose the star much much denser. It comes in the same category with white dwarfs and black holes. They usually form when a super-massive red giant star that with of 10-20 solar (sun) masses collapses into a super nova. Similarly with a black hole, neutron stars have a fairly visible event horizon around them bending light. There are many types of neutron stars ranging from regular neutron stars, pulsars, magnetars or both.
If the remnant conceives a number of mass of the Tolman-Oppenheimer-Volkoff limit, it will collapse into a black hole. Our sun will turn into a common white dwarf in it's dying stages as a main sequence star, not a neutron star since the mass is very low.
In-game characteristics
The presence of this body on the star map has that of a light blueish color. It consists of two x-ray jets that come from both polar sides of the star, known as a pulsar. Due to the density of the object, more solar output is produced because of the super hot surface. It is knowingly the best star in the galaxy to be around for solar panels because of this high output power.
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You can harvest plasma from both jets. However, this is usually incredibly dangerous to enter. The surface would compose of ultra heavy neutron atoms that could also be mined for strong parts.