Discovering a bright star is a million times more massive than the Sun.

The team found a super-bright X-ray source (ULX) in the Whirlpool galaxy thanks to NASA's telescope.

Astronomers found new members of the rare celestial body known as the ultraviolet X-ray source (ULX) that is millions of times brighter than the Sun in the Whirlpool galaxy about 31 million light-years from Earth, Space 1/3 report.

Experts once thought that ULX was a black hole. However, recent studies show that there are three ULXs that are super condensed neutron stars . With the new discovery, the total number of ULX observed is 4. This finding also provides more information to help the team find out why these objects glow so strongly.

New sources of ultra-bright X-rays are discovered in the Whirlpool galaxy.(Photo: Caltech).

In the 1980s, astronomers discovered some very bright X-ray sources near the outer edge of the galaxies, away from the center. By 2014, by observing with NASA's NuSTAR space telescope and other telescopes, they found that some of these objects were essentially neutron stars, the solid core remaining after big stars collapsed. .

The new ULX was discovered by NASA. Initially, scientists found an unusually low area in the spectrum emitted by the object they identified as electrically charged particles revolving around a magnetic field. Because black holes do not have a magnetic field, the low-lying area indicates the ULX is a neutron star .

very dense and high in volume. A spoonful of matter from neutron stars can weigh up to a billion tons. Super gravity from neutron stars can attract matter from other stars. This material heats up and emits X-rays when pulled into neutron stars. Eventually, these X-rays conquer the gravitational force of the star and push away matter. For neutron ULX stars, these X-rays are much stronger than usual.

"Just as we only eat a certain amount of food for a while, there are limits in the physical growth rate of neutron stars. However, the ULX somehow breaks this limit to emit "Super-bright X-rays. We are still unclear," said Murray Brightman, lead author of the study, an expert at the California Institute of Technology.

The team plans to gather more data about the ULX to find out why neutron stars are beyond this limit and so bright.