super-Earths – Astronomy Now

23 September 2023

Latest News

[ 11 September 2023 ] The Great Square of Pegasus: heralding autumn News
[ 18 August 2023 ] New comet predicted to brighten rapidly as it sprints Sunwards News
[ 2 August 2023 ] NASA picks up faint carrier signal from Voyager 2 News
[ 31 July 2023 ] Razor-sharp test images show Euclid’s instruments performing as expected News
[ 31 July 2023 ] NASA loses touch with Voyager 2; waits for craft to ‘phone home’ News

Unlocking the mysteries of super Earths

8 February 2018 Astronomy Now

Three planets orbiting a star 100 light years away may serve as a test bed of sorts to shed light on the dividing line between rocky super Earths and sub-Neptune “gassy” planets with the full range represented in a single solar system.

Wandering Jupiter swept away super-Earths, creating our unusual Solar System

25 March 2015 Astronomy Now

Researchers from Caltech and UC Santa Cruz say that Earth belongs to a second generation of planets in our Solar System after Jupiter swept clear the first, resulting in the formation of a planetary system unlike any other astronomers have yet found.