baryon acoustic oscillations

30 November 2021

Latest News

[ 26 November 2021 ] NASA resumes James Webb launch preps after incident review News
[ 24 November 2021 ] NASA spacecraft blasts off on experimental mission to divert asteroid News
[ 23 November 2021 ] James Webb Space Telescope launch delayed pending ‘incident’ review News
[ 17 November 2021 ] Hubble camera back on line; other instruments remain in ‘safe mode’ News
[ 5 November 2021 ] Engineers test workarounds to recover from Hubble synchronisation glitch News

Astronomers make the largest map of the Universe yet

22 May 2017 Astronomy Now

Astronomers with the Sloan Digital Sky Survey have created the first map of the large-scale structure of the Universe based entirely on the positions of quasars. Quasars are the incredibly bright and distant points of light powered by supermassive black holes.

Precise 3-D Map of 1.2 million galaxies supports standard cosmological model

15 July 2016 Astronomy Now

Hundreds of scientists from the Sloan Digital Sky Survey III (SDSS-III) collaborated to make the largest-ever, three-dimensional map of distant galaxies. The astronomers then used this map to make one of the most precise measurements yet of the dark energy currently driving the accelerated expansion of the universe.