Space exploration, scientific discoveries, astronomy, and physics.
259 articles
A simple shadow illusion reveals the Sun's true shape, demonstrating the pinhole camera effect. This everyday phenomenon confirms the Sun is round, regardless of the aperture's shape, by projecting a perfect circle of light.
A recent LIGO detection of two merging black holes, whose masses fall into the 'impossible' astrophysical 'mass gap,' is challenging current models of stellar evolution. This discovery opens new avenues for understanding black hole formation, potentially involving strong magnetic fields in their progenitor stars.
The Vera C. Rubin Observatory has begun its mission to map the southern sky, making it the most promising tool yet to discover the hypothetical Planet Nine. The observatory is also shedding light on exoplanet detection and the science behind telescope interferometry and galaxy imaging.
The Habitable Worlds Observatory, designed with input from JWST's architect, aims to directly image Earth-sized exoplanets and analyze their atmospheres. The James Webb Space Telescope continues to exceed expectations, offering hope for extended operational life and groundbreaking science.
Scientists have precisely mapped the first three minutes of the universe's existence, revealing how nuclear reactions forged the lightest elements. This Big Bang Nucleosynthesis provides crucial evidence for the Big Bang theory and the origin of the universe's fundamental building blocks.
Newcomb's Paradox, a thought experiment involving a supercomputer predicting your choices, divides rational minds on whether to take one or both boxes of potential winnings. It challenges fundamental concepts of free will and decision-making.
The James Webb Space Telescope has detected significant amounts of water vapor in a galaxy located 12.5 billion light-years away. This discovery provides crucial insights into the conditions of the early universe and the prevalence of water, a key ingredient for life.
For ten years, questions about black holes have dominated public curiosity. A new 10-hour compilation reveals fascinating insights into their formation, behavior, and cosmic role, from stellar remnants to galactic centers.
Australia's Dart AE vehicle, powered by a 3D-printed, hydrogen-fueled scramjet, has successfully flown at speeds exceeding Mach 7. This achievement marks a significant advancement in hypersonic air-breathing propulsion, building on decades of research and testing.
SpaceX's Starship Version 3 is gearing up for its first static fire tests, with Ship 39 undergoing rigorous cryogenic and actuation trials. Meanwhile, NASA's Artemis program reveals a revised lunar strategy and standardization of the SLS, aiming for a sustained presence on the Moon.
