22 May 2017
Researchers create largest-ever 3D map of the Universe
... Universe over the last 10 billion years. The map, created by an international collaboration of scientists using the Sloan Digital Sky Survey (SDSS), not only reveals the large-scale structure of the Universe, but it could also...
11 October 2017
Have astronomers found the missing mass in the Universe?
...-Zel'dovich effect between ∼260,000 pairs of Luminous Red Galaxies (LRG’s) taken from the Sloan Digital Sky Survey. They suggest that the apparent over-density of baryons could be due to filaments in merger systems...
30 January 2019
New physics needed to explain early expansion of the Universe
... data from over 7000 quasars, and combining them with UV observations from the ground-based Sloan Digital Sky Survey, along with additional information from NASA’s Chandra and Swift X-ray observatories, the duo...
07 August 2020
Huge city-wide lunar lava tubes identified in new study
... tube has collapsed, leaving a circular hole that can be observed by overhead orbiters. Using satellite images and digital terrain models (DTMs) of lunar and Martian volcanic regions where skylights and other features known as collapse...
16 June 2021
Astronomers discover the largest rotating objects in the Universe
We know that the Moon spins around our planet, Earth spins around the Sun, and the Solar System spins around the galaxy. But it doesn’t stop there. Stretching 100, 000 light years across, the Milky Way also spins at a whopping 270 kilometers per ...
08 April 2019
Digital SLR Astrophotography (2nd edition)
... a career in space. In parallel, the advent of digital photography has brought to the amateur what was previously confined...this second edition, the author provides an updated tutorial on digital SLRs, lenses and telescopes, along with image formats, ...