There, bounties of cosmic matter could support the creation of such giant and luminous objects. (In fact, "a quasar’s light outshines that of all the stars in its host galaxy combined," NASA ...

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 ...

will measure the speed of the galaxies’ stars so that astronomers can calculate the mass of these ultra-luminous objects. “The sky is covered with all kinds of galaxies, including those that ...

Research in the group of Norbert Przybilla focusses on the quantitative spectroscopy of the main constituents of galaxies: the stars and the interstellar medium. It encompasses observation, model ...

Fifty million years or so later, gravity drove the formation of the first luminous objects – stars and black holes – which ended the dark ages and initiated the cosmic dawn. These first stars likely ...

Opaque close opaqueA material, object or substance which does not allow light to pass through it. materials are substances which light cannot pass through, like stone, metal or wood. Luminous ...

One subclass of brown dwarfs (with effective temperatures between 500 and 1,500 K) is known as T-dwarfs, and represents the coolest and least luminous substellar objects so far detected.