Tag: formation of planets
Surprising: planets form around dying stars
The illustration of what researchers from the Catholic University of Leuven (Belgium) observed. A disk of gas and dust around a binary star system. A disk with a void that…
Astronomers surprise an “intruder” in the heart of a star system
He clearly broke in. This “intruder” that astronomers have surprised at the heart of the star system Z Canis Majoris (Z CMa). But for the first time, they were able…
The origin of terrestrial components revealed by the composition of the lower mantle
Where do the carbon, nitrogen, and water that made the Earth habitable come from? Even today, this question remains intensely debated. Yet one chemical element in particular could help solve…
Iron as the key to finding life on other planets?
The ability of a planet to support life depends on several characteristics. The presence of liquid water or oxygen. The position of the planet in relation to its host star,…
Discovery of the exoplanet GJ 367b, a dense and overheated sub-Earth
An exoplanet half as massive as Earth, but denser and much warmer, has been discovered around a nearby red dwarf. This object, of an unusual type among those discovered to…
The planets of the Trappist-1 system formed quickly and suffered little impact
Trappist-1’s planetary system continues to fascinate researchers who have observed a strange ballet. New elements that shed light on our understanding of the formation of the planets of Trappist-1. You…