Luca Ricci – Astronomy Now

20 January 2022

Latest News

[ 17 January 2022 ] Black hole contains nearly all the mass at the heart of the Milky Way News
[ 10 January 2022 ] Webb mirrors fully deployed, clearing the way for alignment News
[ 5 January 2022 ] ‘We nailed it!’ Webb clears major hurdle with full sunshade deployment News
[ 3 January 2022 ] NASA holds up final Webb sunshade deploy to double check readiness News
[ 31 December 2021 ] Webb ready for critical work to open sunshield News

Swarms of Pluto-size objects kick up dust around adolescent Sun-like star

14 December 2014 Astronomy Now

ALMA observations of the dusty protoplanetary disc surrounding a star known as HD 107146 provides evidence for an entire family of orbiting Pluto-size objects, a solar system in transition from early life to maturity where planets have finished forming.