baryon acoustic oscillations

1 December 2020

Latest News

[ 30 November 2020 ] SOFIA opens a surprising window on quasars and galactic evolution News
[ 24 November 2020 ] Mars rover data indicates ancient megafloods across Gale Crater News
[ 22 November 2020 ] Radioactive elements may be key to exoplanet habitability News
[ 19 November 2020 ] Iconic Arecibo Observatory, too unsafe to repair, faces demolition News
[ 8 November 2020 ] Arecibo Observatory suffers additional damage from second cable failure 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.