space

number of breaks: 2

showing 1-2 of 2 breaks

show sort by

The escape of the Sun’s fraternal twin

Roughly half of all stars are in multiple systems (binaries, triples etc), which means that two or more stars orbit each other because of their mutual gravitational pull. For stars of about the mass and age of the Sun, the average separation between companion stars... click to read more

Sarah Sadavoy | Hubble Fellow at Harvard-Smithsonian Center for Astrophysics, Cambridge, United States

Steven Stahler | Associate Researcher at University of California, Berkeley, Department of Astronomy, Berkeley, United States

space

twin stars

Sun

universe

Reading time 3.5 min

published on May 8, 2018

An exoplanet surrounded by an atmosphere larger than its star

In the past 20 years, scientists have discovered many planets around other stars than the Sun. Nearly half of these so-called exoplanets orbit extremely close to their star (more than ten times closer than Mercury revolves around the Sun in our Solar System), raising many... click to read more

Vincent Bourrier | Postdoctoral Research Fellow at Department of Astronomy, Geneva Observatory, University of Geneva, Geneva, Switzerland

space

exoplanet

transit

warm neptune

Reading time 4 min

published on Nov 26, 2015