Did you hear that #physicists simulated a baby #wormhole in a lab? Well, it’s even more true that #StringTheory and #ExtraDimensions were discovered in the ’60s. Think I’m joking? I’m not. To learn what’s true/false in the wormhole story, read this first.
This research could potentially lead to a better understanding of the galaxy and its many mysteries.
It’s a cosmic riddle: How can galaxies remain together when all the matter we observe isn’t enough to keep them intact? Scientists believe an invisible force must beat play, something so mysterious they named it “dark matter” because of its lack of visibility.
This mysterious presence accounts for nearly three times more than what we can observe — a startling 27% of all existence! The mysterious dark matter is a profound mystery to scientists, its existence making up nearly one-third of the universe’s energy and mass yet remaining elusive due to its ability to avoid detection.
Continue reading “Researchers plan to use quantum computers in search for dark matter” »
This type of gamma ray burst (GRB) is thought to occur when a massive star explodes in a supernova, leaving behind a black hole. The explosion creates an extraordinary jet of light which makes up the GRB itself, and then the supernova causes a dimmer afterglow. This particular GRB appears so bright partially because it is about 2.4 billion light years away from Earth, making it one of the closest GRBs ever spotted in addition to being the brightest.
“If we look at all of the gamma ray bursts that have been detected, this one stands apart,” says Jillian Rastinejad at Northwestern University in Illinois. “Informally, we’ve been calling it the BOAT – the brightest of all time.” She and her colleagues calculated that a GRB this bright is expected to occur only once every thousand years or so.
Astronomers have spotted a strange blast of gamma radiation from space that defies categorisation, and it may mean a gap in our understanding of how black holes form.
Gas clouds across the universe are known to absorb the light produced by distant massive celestial objects, known as quasars. This light manifests as the so-called Lyman alpha forest, a dense structure composed of absorption lines that can be observed using spectroscopy tools.
Over the past decades, astrophysicists have been assessing the value of these absorption lines as a tool to better understand the universe and the relationships between cosmological objects. The Lyman alpha forest could also potentially aid the ongoing search for dark matter, offering an additional tool to test theoretical predictions and models.
Researchers at University of Nottingham, Tel-Aviv University, New York University, and the Institute for Fundamental Physics of the Universe in Trieste have recently compared low-redshift Lyman alpha forest observations to hydrodynamical simulations of the intergalactic medium and dark matter made up of dark photons, a renowned dark matter candidate.
In 1916, Einstein finished his Theory of General Relativity, which describes how gravitational forces alter the curvature of spacetime. Among other things, this theory predicted that the Universe is expanding, which was confirmed by the observations of Edwin Hubble in 1929. Since then, astronomers have looked farther into space (and hence, back in time) to measure how fast the Universe is expanding – aka. the Hubble Constant. These measurements have become increasingly accurate thanks to the discovery of the Cosmic Microwave Background (CMB) and observatories like the Hubble Space Telescope.
Astronomers have traditionally done this in two ways: directly measuring it locally (using variable stars and supernovae) and indirectly based on redshift measurements of the CMB and cosmological models. Unfortunately, these two methods have produced different values over the past decade. As a result, astronomers have been looking for a possible solution to this problem, known as the “Hubble Tension.” According to a new paper by a team of astrophysicists, the existence of “Early Dark Energy” may be the solution cosmologists have been looking for.
Continue reading “‘Early Dark Energy’ Could Explain the Crisis in Cosmology” »
The big bang is one of the most fascinating topics you can bring up when conversing with scientists and astronomers. This is because the theory talks about how the whole universe started in the first place. However, the event that led to the big bang is one thing that is being argued among scientists today.
For this reason, the James Webb Telescope was called in to make some findings about the big bang. The JWST found something quite alright, but it wasn’t something the scientist had prepared their minds for. What did the James Webb Telescope discover, and in what way would it affect the Big Bang Theory?
Continue reading “James Webb Just Detected A Huge Structure Older Than The Universe!” »
Astronomers are in a state of bewilderment after they discovered strange blasts of radiation from space. Those blasts, known as gamma-ray bursts (GRBs), seem to come from a black hole that is developing slowly after two stars merged. According to NewScientist, gamma-ray bursts come in two categories: short GRBs and gamma-ray explosions: short GRBs and long GRBs.
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We thought the Big Bang started it all. Then we realized that something else came before, and it erased everything that existed prior.
