The article reports on the discovery of the galaxy NGC 6872, which according to astronomers is the largest known spiral galaxy in the universe. NGC 6872 is bigger than the Milky Way galaxy by five times as it spans over 522,000 light years. The interaction of NGC 6872 with nearby galaxy ...
Most stars of this type are between 200 and 800 times the radius ofour Sun. The very largest stars in our galaxy, all red supergiants, are about 1,500 times the size of our home star. Because of their immense size and mass, these stars require an incredible amount of energy to sustai...
An illustration of galaxy superclusters and cosmic voids, similar to the structure of the BOSS Great WallScience Photo Library/Corbis The English language has a few limitations. One such problem is describing size—words like big, humongous and immense don’t come close to describing the objects ...
Gamma-ray bursts (GRBs) are the most luminous events in the universe, releasing as much energy in a few seconds as the Sun does over its 10 billion year lifetime. They are thought to be the result of massive stars collapsing into black holes. Their huge luminosity helps astronomers to ma...
galaxies formed ‘bottom-up’ in a hierarchical fashion: star clusters and small galaxies were the first to form out of gas and dark matter, and they gradually were assembled by gravity into galaxy clusters and superclusters, explaining the shape of the very largest structures in the Uni...
Hutsemékers and his team also found that the quasars' rotation axes were linked to what is called the large-scale structure of the universe. Previous studies have shown that galaxies are not distributed evenly throughout the universe. Instead, the large star-filled objects clump together in a...
IntroductionIn this letter, we report a discovery of the third largest ra-dio galaxy in the Universe. Known from years, the recordholder radio galaxy 3C236 with the linear extent of 5.65Mpc (if H o = 50 km s −1 Mpc −1 and q o = 0.5 whichwe assume hereafter) was mapped with...
STARBURSTS IN THE LOCAL UNIVERSE: NEW HUBBLE SPACE TELESCOPE ADVANCED CAMERA FOR SURVEYS OBSERVATIONS OF THE IRREGULAR GALAXY NGC 4449* We present photometry with the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope of stars in the Magellanic starburst galaxy NGC 4449. The ga... ...
1.According to NASA, every large galaxy in the universe has a supermassive black hole at its centre, whose mass is millions or billions of times that of the Sun. 2.The black hole at the centre of our galaxy– the Milky Way– is called Sagittarius A*, and is 26,000 light-years away...
research team has created high expectations by sharing a small slice of the simulation. A video released by the ExaSky team shows the formation of galaxy clusters in a slice of space with a volume of 311,296 cubic megaparsecs, which constitutes only 0.001% of the total volume of the ...