baryon acoustic oscillations

4 August 2021

Latest News

[ 28 July 2021 ] “Mountains” on neutron stars just fractions of a millimetre tall News
[ 27 July 2021 ] InSight finds frigid Mars has molten core News
[ 24 July 2021 ] In a first, ALMA spies huge moon-forming disc around exoplanet News
[ 23 July 2021 ] Perseverance Mars rover poised to collect first rock samples News
[ 17 July 2021 ] Whew! Hubble Space Telescope back in operation 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.