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1 day ago · There is thus a huge “industry” of direct detection experiments predicated on the premise that there is a new particle species yet to be found, and which pervades the universe. There are also experiments searching for evidence of the decay of the particles via their annihilation products, and, finally, there are intense searches for newly formed unknown particles in collider experiments.
3 days ago · The Challenge of Extreme Conditions. Exploring the extremes: Gravity’s mysteries deepen near extraordinary environments like black holes or the very early universe. At these fringes, the rules of general relativity break down, creating what’s known as singularities—points where spacetime stretches to infinity.
Jul 26, 2024 · Journey beyond our solar system to discover the top 5 strangest exoplanets in the universe and their incredibly harsh surfaces! 🌌🪐 From scorching temperatu...
2 days ago · Hen seeks connections between how these particles behave and how their interactions shape the visible universe and extreme astrophysical phenomena such as neutron stars. “A lot of physics, in my mind, is taking complex systems with lots of details and abstracting away the details to seek the main principles that drive everything,” he says.
2 days ago · In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the early universe. The inflationary epoch is believed to have lasted from 10 −36 seconds to between 10 −33 and 10 −32 seconds after the Big Bang.
3 days ago · Boltzmann brain: If the universe we observe resulted from a random thermodynamic fluctuation, it would be vastly more likely to be a simple one than the complex one we observe. The simplest case would be just a brain floating in vacuum, having the thoughts and sensations an ostensible observer has.
1 day ago · Most of the planet is made of water, ammonia, and methane in a supercritical phase of matter, which astronomy calls "ice" or volatiles. The planet's atmosphere has a complex layered cloud structure and has the lowest minimum temperature (49 K (−224 °C; −371 °F)) of all the Solar System 's planets.
