NettetAstronomer Fritz Zwicky was the first to notice the discrepancy between the amount of visible matter in a cluster of galaxies and the motions of the galaxies themselves. He suggested that there may be invisible matter, or what he called “dark matter”, interacting gravitationally with the visible matter. Nettet17. jun. 2024 · The researchers found that the observed number of stars accounts for the galaxy's total mass, and there's not much room left for dark matter. However, if DF2 were closer to Earth, as some …

Hubble spots

NettetLast year, another team of astronomers found what they believed was a triple system, about 1,100 light-years from Earth, containing a black hole of about four solar masses orbiting with two stars. If the system really contains a black hole, it would be the closest known to Earth, but other research has since cast doubt on the finding. Nettet16. des. 2024 · If dark matter is comprised of primordial black holes, more stars and galaxies would have formed around them in the early universe — precisely the epoch … bancomat bt zalau

10 Questions You Might Have About Black Holes

Nettet27. mai 2024 · The observation appears to stray from Einstein's theory of general relativity - posing a conundrum for researchers. The results have been published by the Dark Energy Survey Collaboration. Dark... Nettet5. apr. 2024 · Gravitational waves – the invisible ripples in the fabric of space predicted by Albert Einstein – are opening up a new era of astronomy that is allowing scientists to see parts of the universe once thought to be invisible, such as black holes, dark matter and theoretical subatomic particles called axions. 05 April 2024 By Anthony King Nettet28. mar. 2024 · For the first time, scientists may have discovered indirect evidence that large amounts of invisible dark matter surround black holes. The discovery, if … bancomat bt iasi depunere