The Hydrogen Intensity and Real-time Analysis eXperiment is an interferometric array of 1024 6-meter diameter radio telescopes, operating at 400-800MHz, that will be deployed at the Square Kilometer A
The HIRAX prototype telescope array at HartRAO in 2017.
Big Bang
Videos
The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. Various cosmological models based on the Big Bang concept explain a br
Panoramic view of the entire near-infrared sky reveals the distribution of galaxies beyond the Milky Way. Galaxies are color-coded by redshift.
Abell 2744 galaxy cluster – Hubble Frontier Fields view
XDF size compared to the size of the Moon (XDF is the small box to the left of, and nearly below, the Moon) – several thousand galaxies, each consisting of billions of stars, are in this small view.
XDF (2012) view – each light speck is a galaxy – some of these are as old as 13.2 billion years – the universe is estimated to contain 200 billion galaxies.