planetary systems Archives | Filling Space

White dwarfs’ exoplanets – what do we know about them?

Editor November 15, 2019 astronomy Earth-like planets exoplanets geochemistry geophysics Habitability magnetic fields planetary systems space science white dwarfs

A booming area of space science is the study of “exoplanets”, the term for planets outside our Solar System. Telescopes like the Transiting Exoplanet Survey…

What will happen to our Solar System after the Sun dies?

Editor October 18, 2019 astronomy Astrophysics chaotic orbits earth gravity planetary debris planetary systems the asteroid belt the Solar System the Sun

When the Sun dies, it will become what we call a white dwarf. White dwarfs are small and incredibly dense – a teaspoon of white…

What do we know about the TRAPPIST-1 system’s habitability?

Editor September 20, 2019 Astrophysics auroras Earth-like planets exoplanets high-energy particles magnetic fields planetary systems stellar radiation the habitable zone TRAPPIST-1

The TRAPPIST-1 system is notable for having Earth-like planets that may be habitable. They are rocky and in the so-called “habitable zone” where water may…