HD 107146 – Astronomy Now

22 March 2023

Latest News

[ 21 March 2023 ] Analysis of Magellan data shows apparent volcanic activity on Venus News
[ 23 February 2023 ] Webb images M92, one of the Milky Way’s oldest globular clusters News
[ 20 February 2023 ] The Eskimo: observe one of winter’s best planetary nebulae News
[ 16 January 2023 ] See all the planets in January News
[ 3 September 2022 ] Frank Drake, SETI pioneer, 1930–2022 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.