07 June 2019
First-ever image of cool gas disk surrounding Milky Way's black hole
... black hole to reveal a never-before-seen disk of cold, interstellar gas wrapped around its periphery. Known as Sagittarius A* (A “star”), our resident SMBH is around four million times the mass of our Sun and lies approximately...
05 April 2018
Newly discovered black holes suggests thousands more in our galaxy
Astronomers have discovered 12 smaller black holes orbiting the supermassive black hole in the centre of our galaxy, and their existence suggests that there could be up to 10,000 more within just three light years of the Galactic Centre. The ...
07 December 2020
New Gaia data measures Solar System's acceleration
... used to believe,” says Teresa Antoja, University of Barcelona, Spain, who worked on study. Although the role of the Sagittarius dwarf galaxy is still debated by some researchers, Teresa says, “it could be a good candidate for all these disturbances...
March 2016
Gravitational waves provide new window on the universe
... their surrounding environment. It is through these ‘signposts’ that researchers have detected a supermassive black hole called Sagittarius A* at the centre of our galaxy, millions or billions of times more massive than the Sun. Figure 1: Comparison...
October 2016
The dwarf galaxy problem
In astronomy we have a problem: we observe far fewer dwarf galaxies than we expect based on computer simulations of the Universe. We call this the dwarf galaxy, missing satellite or substructure problem. Dwarf galaxies are small companions of bigger...
October 2019
Asgardia’s calendar and its role in space industrialisation strategy
...] or Horus, one of the most important Egyptian gods or Ashur, the name of the main God of Assyria); (XII) Sagittarius; (XIII) Capricornus. Each of the four quarters contains exactly 91 days. In a normal year, there are 365 days...
