Big Bang

Astronomers discovered 31 of the oldest known quasars, including the two earliest detected, from a time when the universe was approximately 670 million years old. These quasars, powered by supermassive black holes, challenge existing theories about the rapid formation of such massive black holes after the Big Bang.

New research proposes that Einstein and Rosen's theoretical wormholes may not be cosmic tunnels connecting distant spaces, but rather bridges connecting mirror versions of time within quantum physics. This theory potentially resolves the black hole information paradox and suggests the universe may have existed before the Big Bang.

The James Webb Space Telescope has discovered the LAP1-B galaxy, located 13 billion light years away, which appears to be one of the most primitive galaxies ever observed. The galaxy contains barely any heavy elements, supporting cosmologists' theory that heavier atoms were created in the explosive deaths of early massive stars. This discovery provides insight into how the universe began forging the complex chemical elements that eventually made up everything, including humans.

A comprehensive survey of physicists reveals significant disagreement on fundamental scientific questions including the nature of the Big Bang, quantum mechanics interpretations, and unified physics theories. Only 20% of physicists agree with the popular definition of the Big Bang as the moment time started, while 68% view it as a hot, dense state. String theory remains the leading candidate for unifying relativity and quantum mechanics, though only 19% of surveyed physicists support it.

Astronomers spotted relics of the first stars in a distant galaxy. The observation was made in an ultra-faint galaxy shortly after the Big Bang. This indicates the presence of material from the first generation of stars.

Astronomers using the James Webb Space Telescope discovered a massive galaxy formed less than 2 billion years after the Big Bang with no rotation, challenging current theories on young galaxies. This galaxy is unusual as it doesn't spin, a trait typically seen in older galaxies. The finding raises questions about the formation and evolution of galaxies.

Scientists are exploring quantum gravity as a potential explanation for the beginning of the universe, particularly the events surrounding the Big Bang. The theory aims to reconcile general relativity with quantum mechanics to understand the singularity at the dawn of time.

New research suggests gravitational waves in the early universe may have transformed into particles that became dark matter. This theory proposes that spacetime ripples from the Big Bang contributed to the formation of the invisible substance shaping galaxies.

A cyclic universe model proposes that dark matter might consist of black holes existing before the Big Bang. This theory challenges the conventional understanding of dark matter's origins.

Researchers may have detected ripples in spacetime, offering the first evidence of tiny black holes formed in the Big Bang. These primordial black holes could explain dark matter's distribution through clustering patterns.

Scientists used the Large Hadron Collider to observe conditions similar to those immediately after the Big Bang. The ALICE detector captured detailed data during 2019 LHC upgrades, offering new insights into early宇宙 physics.