Universe is Teeming with Quintillions of Stellar-Mass Black Holes astronomy space science
A team of astrophysicists from Italy and the United Kingdom has calculated that in the observable Universe, a sphere of diameter around 90 billion light-years, there are at least 40*10An artist’s impression of a group of stellar-mass black holes. Image credit: NASA / ESA / Hubble / N. Bartmann.
“One of the most fundamental quantities for demographic studies of the black hole population is constituted by the relic mass function, namely the number density of black holes per comoving volume and unit black hole mass, as a function of redshift,” said Dr. Alex Sicilia of the Scuola Internazionale Superiore di Studi Avanzati and colleagues.
“The innovative character of this work is in the coupling of a detailed model of stellar and binary evolution with advanced recipes for star formation and metal enrichment in individual galaxies,” Dr. Sicilia said.
Indonesia Berita Terbaru, Indonesia Berita utama
Similar News:Anda juga dapat membaca berita serupa dengan ini yang kami kumpulkan dari sumber berita lain.
New Multiverse Theory Explains Surprisingly Small Mass of Higgs Boson | Sci-News.comDr. Raffaele Tito D’Agnolo from the French Alternative Energies and Atomic Energy Commission and Dr. Daniele Teresi from CERN have proposed a novel theory to explain both the surprisingly small mass of the Higgs boson and the puzzling symmetry properties of the strong force.
Baca lebih lajut »
Psychedelic Jellies Caught on Video in Monterey Canyon | Sci-News.comMarine biologists from the Monterey Bay Aquarium Research Institute (MBARI) have observed several species of the jellyfish genus Crossota in Monterey Bay, California.
Baca lebih lajut »
Astronomers Analyze Impact of SpaceX’s Starlink Satellites | Sci-News.comAstronomers have analyzed archival images from NSF’s Zwicky Transient Facility (ZTF) and found that the number of affected ZTF images is increasing with time as SpaceX deploys more satellites.
Baca lebih lajut »
Africa’s Oldest Known Modern Human Fossils are 233,000 Years Old, Research Suggests | Sci-News.comIn the 1960s, paleoanthropologists uncovered the remains of anatomically modern Homo sapiens -- known as Omo I -- in the lower Omo valley of southern Ethiopia.
Baca lebih lajut »
Scientists Compile First Global Inventory of Subglacial Lakes | Sci-News.comA multinational team of researchers has catalogued data on 773 subglacial lakes: 675 subglacial lakes from Antarctica (59 newly-identified), 64 from Greenland, two beneath the Devon Ice Cap, six beneath Iceland’s ice caps and 26 from valley glaciers.
Baca lebih lajut »
Researchers Create Deep-Ultraviolet Light-Emitting Diode | Sci-News.comA team of researchers from the Pohang University of Science and Technology and the Korean Institute for Basic Science has demonstrated deep-ultraviolet (DUV) electroluminescence and photocurrent generation in hexagonal boron nitride, a semiconductor often called the ‘white graphene.’
Baca lebih lajut »