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Category: cosmology – Page 9

University of Warwick astronomers have discovered an extremely rare, high-mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing 10 times brighter than the moon in the night sky.

Type 1a supernovae are a special class of cosmic explosion, famously used as “standard candles” to measure distances between Earth and their host galaxies. They occur when a white dwarf (the dense remnant core of a star) accumulates too much mass, is unable to withstand its own gravity, and explodes.

It has long been theoretically predicted that two orbiting white dwarfs are the cause of most type 1a supernova explosions. When in a close orbit, the heavier white dwarf of the pair gradually accumulates material from its partner, which leads to that star (or both stars) exploding.

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Teleology is the idea that some processes in nature are directed toward a goal or an end. Today, it is commonly asserted that teleology is a remnant of antiquated ways of thinking about causation, and that it is not compatible with modern science, because it is fundamentally untestable.

In my opinion, such claims fail to take modern physics into account. Quantum theory involves a complex notion of causation, and it can naturally incorporate final conditions. However, to work with final conditions that are not imposed by external agents, we need to move into the realm of quantum cosmology, in which the whole universe is treated as a quantum system.

With this issue in mind, I studied final conditions in quantum cosmology. I found that cosmologies with such conditions generally predict a universe with accelerated expansion. Cosmic acceleration is a well-established fact, and also one of the most puzzling features of modern cosmology.

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What if the key to the universe was discovered over a century ago—and then forgotten?

In the late 19th century, a young math prodigy named William Clifford proposed a radical idea: that reality itself is woven from the same fabric as the mind. Long before Einstein, long before quantum theory, Clifford envisioned a world where matter, consciousness, and geometry are one.

His ideas were largely overlooked, seen as too speculative for the science of his time. Today, they look like the missing blueprint for a true Theory of Everything.

Is Clifford’s path one that science is only now catching up to?

Based on the original research by idb.kniganews “Clifford’s Path”

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Every star that hangs upon the evening firmament will one day die, its lights snuffed and its fires cooling in the dwindling cosmic end times.

We don’t always know when, but for a binary star system around 150 light-years from Earth, a precise time of death has now been discovered. Some 23 billion years from now, the two white dwarf stars are destined to smash together.

At least, they would, if not for the fact both will be taken out before this fated merger by a spectacular explosion – a Type Ia supernova, one of the measuring sticks against which we gauge distance in the Universe.

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Astronomers using the James Webb Space Telescope have discovered the most distant quiescent galaxy ever seen – one that had already stopped forming stars just 700 million years after the Big Bang. This challenges existing models of galaxy evolution, which can’t explain how such massive, red and

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Researchers have announced a groundbreaking experiment that simulated a traversable wormhole using a quantum computer. While no physical rupture in space-time was created, the study offers a significant step toward understanding Einstein-Rosen bridges, theoretical constructs first described by Albert Einstein and Nathan Rosen. Published in the journal Nature, the findings represent a promising avenue for probing quantum gravity experimentally.

A Glimpse of Wormhole Dynamics

The experiment, conducted on Google’s Sycamore quantum processor, involved simulating two minuscule black holes connected by a tunnel-like space-time structure. A quantum message was transmitted between these points, and researchers observed behaviors consistent with wormhole-like dynamics. Study co-author Joseph Lykken, a physicist at Fermilab, remarked, “It looks like a duck, walks like a duck, and quacks like a duck,” indicating the simulation closely mimicked a theoretical wormhole.

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Astronomers at the University of Warwick have made an exciting discovery—a rare, high-mass compact binary star system located just 150 light-years away in the Milky Way. This marks the first time such a system has been observed, offering valuable insights into the origins of type 1a supernovae.

Astronomers have confirmed a pair of white dwarfs on a collision course to become a type 1a supernova—the brightest cosmic explosion. This system, the heaviest of its kind ever identified, has a combined mass of 1.56 times that of the sun.

Separated by only 1/60th of the Earth-sun distance, the stars currently orbit each other in just over 14 hours. However, gravitational wave radiation will gradually draw them closer over billions of years. On the verge of their explosive end, the stars will orbit so rapidly that a single orbit will take only 30–40 seconds.

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