Category archives: Astrophysics

How black holes affect star formation in massive galaxies

How black holes affect star formation in massive galaxies

Astrophysics

By Tomás Ruiz-Lara

It is commonly said that Astronomy is an observational science. We cannot create and study stars or galaxies in our laboratories and, thus all the information we have from the Universe comes from observations. However, there is another approach: simulations. Astronomers use complex algorithms and computational techniques, in combination with the laws of physics, to […]

Packed black holes

Packed black holes

Astrophysics

By Santiago Pérez-Hoyos

Black holes are not only gravitationally attractive: they also capture people’s attention. Just mention these two words in a course of elementary astronomy or in a public conference and you will find most eyes wide open. Even though they are common in observational astronomy, their singular physics and their fantastic dimensions makes them earn a […]