Groups of stars adrift

2003/10/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

• Astrofisika

In intergalactic black space they have found sets of stars without fixed direction. They are sets of millions of stars, packaged in dense spheres by effect of gravity.

(Photo: Science).

In this dark intergalactic space, researchers have seen a dispersed light that has been trying for many years to decipher its provenance. It is now believed that it can proceed from these groups of stars in bankruptcy, but for the moment there are no sensitive devices that ensure that the light source is that.

Hubble and Keck telescopes have been used to detect groups of stars. They have already seen 300 intergalactic sets of stars, of which the farthest has been exposed to 400 million light-years. However, they still have to analyze the speed of these groups of stars to ensure that they are not galaxies in orbit.

At the moment they do not know the origin of these groups. They can be sets of stars drawn from galaxies or as a result of a galaxy eating another. Whatever its origin, this special research will undoubtedly contribute to know how the death of galaxies occurs.