Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...
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Could our expanding universe sit inside a black hole?
Cosmologists have long treated black holes and the Big Bang as separate extremes of physics, one swallowing light, the other ...
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Could our expanding universe be a black hole’s interior?
Could the vast universe in which we live actually be the interior of a black hole within a larger universe? The idea, which ...
In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a gravitational wave that lasted just one-tenth of a second. The signal, known as ...
Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...
The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when all of space, time, and energy were born from a single infinitely dense ...
While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...
To study the origins of our universe is to struggle with profound chicken-or-egg questions. We know the Big Bang happened. Cosmologists can see its afterglow in the sky. But no one knows whether the ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
Black holes are massive, strange and incredibly powerful astronomical objects. Scientists know that supermassive black holes reside in the centers of most galaxies. But there's an open question in ...
Astronomers say they've discovered a new record holder for the most massive black hole merger to date. The merger is so big — roughly 255 solar masses — that it shouldn't technically be possible ...
Artist representation of CAPERS-LRD-z9, home to the earliest confirmed black hole. The supermassive black hole at its center is believed to be surrounded by a thick cloud of gas, giving the galaxy a ...
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