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  1. 4 apr 2024 · View PDF HTML (experimental) Abstract: We present a novel model-independent generic mechanism for primordial black hole formation within the context of non-singular matter bouncing cosmology.

    • arXiv:2404.03779 [gr-qc]
    • 19 pages, 4 figures
  2. 8 apr 2024 · They have revealed a population of black holes with masses between a few and 150 times the mass of the Sun. These black holes are likely skeletons left over by the deaths of the Universe’s most massive stars in relatively chemically pristine (“low-metallicity”) pockets of the Universe .

  3. 6 apr 2024 · Upcoming editions will zoom in on other cosmic topics, such as black holes – astronomical objects with such strong gravity that nothing, not even light, can escape their clutches. The new e-book is compatible with most electronic devices and can be downloaded in multiple formats for free from: https://science.nasa.

  4. 4 apr 2024 · The standard theory of cosmology—which says 95% of the universe is made up of unknown stuff we can’t see—has passed its strictest test yet. The first results released from an instrument designed to study the cosmic effects of mysterious dark energy confirm that, to the nearest 1%, the universe has evolved over the past 11 billion years just as theorists have predicted.

  5. 15 apr 2024 · The chain of mergers that would create a supermassive black hole is believed to take at least 1 billion years, but these cosmic titans have been observed in the universe since just a few hundred ...

  6. 17 apr 2024 · Telescopes see into the universe’s past by detecting light that’s traveled from far away. But the first 380,000 years after the Big Bang are hidden behind a sort of cosmic curtain. Back then, the universe was filled with ionized plasma that scattered photons, making it opaque to light.