Alternatively, it may be a quark star, although this is considered less likely.

Matter in the suspected quark stars would be far denser.

Other scenarios have also been considered, such as if the collapsed core became a quark star.

A star in this hypothetical state is called a quark star.

It is speculated that this pulsar may in fact be a quark star.

It remains to be seen how the question of quark star or strange star existence will play out.

It has been speculated that this supernova involved the formation of a quark star.

If confirmed, they may be considered the first "quark star planets" ever to be discovered.

It could be a possible quark star.

It has been suggested that the more massive component of the system might be a Quark star instead of a black hole.

If quark stars contain strange matter, then they are called strange stars.

Curious About Astronomy: What process would bring about a quark star?

If there are two quark stars, they said, such objects may turn out to be fairly common end-products of many exploded stars.

The signatures of a quark star, Dr. Turner said, would seem to be its small size and rapid cooling.

It's been arriving in fragments; a quark star's gravity field seems to be disrupting the subspace communication system.

The remnant is not a neutron star, but a quark star, a superdense body of strange matter.

Scientists also hope to prove, or discard, the existence of so-called quark stars, or strange stars, through these studies.

A quark-nova is the violent explosion resulting from the conversion of a neutron star to a quark star.

A quark star may be formed from a neutron star through a process called quark deconfinement.

Quark stars, theoretical neutron star-like objects composed of quark matter, may be radio quiet, according to some theories.

Quark stars (often called "strange stars") consist of quark matter from their core to their surface.

When a neutron star spins down, it may convert to a quark star through a process known as quark deconfinement.

Now it appears that a certain combination of these quarks are capable of a more independent existence as "strange quark matter" inside quark stars.

This estimated size was too small to reconcile with the standard models of neutron stars, therefore it was suggested that it might be a quark star.

Preon stars would be expected to have huge densities, exceeding 10 kilogram per cubic meter - intermediate between quark stars and black holes.