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Universe

This JWST image shows the Big Wheel galaxy (in the center) and its cosmic environment. The galaxy is a gigantic rotating disk lying 11.7 billion light-years away. Its spiral disk stretches across 100,000 light-years, making it larger than any other galaxy disk confirmed at this epoch of the universe. The blue blob and some of the other larger objects in the image are galaxies in the nearby universe. The smaller objects tend to be distant galaxies; however, the larger galaxy to the lower left of Big Wheel is part of the same remote galactic structure as Big Wheel. Credit: NASA/ESA

Astronomers Find Giant Dinosaur of a Galaxy

Categories Physics & Mathematics, Space

This is part of a new image that shows the vibration directions, or polarization, of the radiation. The zoom-in on the right is 10 degrees high. Polarized light vibrates in a particular direction; blue shows where the surrounding light’s vibration directions are angled towards it, like spokes on a bicycle; orange shows places where the vibration directions circle around it. This new information reveals the motion of the ancient gases in the universe when it was less than half a million years old, pulled by the force of gravity in the first step toward forming galaxies. The red band comes from our closer-by Milky Way.

Telescope Captures Clearest Images of Universe’s Infancy

Categories Physics & Mathematics, Space, Technology

NASA's SPHEREx mission will provide new clues about the explosive, inflationary phase of our universe

What Hundreds of Millions of Galaxies Can Teach Us About the Big Bang

Categories Physics & Mathematics, Space

Extremely precise measurements of the distance between the Earth and the Coma cluster of galaxies provide new evidence for the Universe’s faster-than-expected rate of expansion.

New Distance Measurements Intensify Mystery of Universe’s Expansion Rate

Categories Physics & Mathematics, Space

This Hubble Space Telescope image captures a triple-star system, which can host potentially-habitable planets. Our nearest stellar neighbour, the Alpha Centauri system, includes three stars.

Scientists Calculate How Dark Energy Shapes the Odds of Life in Our Universe

Categories Life & Non-humans, Space

Velocity streamlines within the reconstructed volume, with colored envelopes associated with the prominent nearby basins of attraction. The map and streamlines have been cropped to the region covered by Cosmicflows-4 data. The streamlines within a given basin converge onto the region of high concentration of galaxies.

New Study Maps Gravitational ‘Basins of Attraction’ in the Local Universe

Categories Physics & Mathematics, Space

An infographic showcasing the methodology behind the Simulation-Based Inference of Galaxies (SimBIG) project.

AI Unlocks Hidden Data to Refine Universe’s ‘Settings’

Categories Physics & Mathematics, Space

An artist’s impression showing bi-polar jets of gas originating from a supermassive black hole at the centre of a galaxy.

How the ‘heart and lungs’ of a galaxy extend its life

Categories Space

First year of DESI results unveil new clues about dark energy

Categories Technology

An artist's conceptual rendering of antihydrogen atoms falling out the bottom of the magnetic trap of the ALPHA-g apparatus. As the antihydrogen atoms escape, they touch the chamber walls and annihilate. Most of the annihilations occur beneath the chamber, showing that gravity is pulling the antihydrogen down. The rotating magnetic field lines in the animation represent the invisible influence of the magnetic field on the antihydrogen. The magnetic field does not rotate in the actual experiment.

Down goes antimatter! Gravity’s effect on matter’s elusive twin is revealed

Categories Physics & Mathematics

The red region (left) shows the shell enclosed by the Baryon Acoustic Oscillation, with individual galaxies depicted as luminous tiny specks. The blue filaments show the greater Cosmic Web, with previously known features like Laniākea highlighted.

Vast bubble of galaxies discovered, given Hawaiian name

Categories Space

The image shows how fundamental constants of nature set the fundamental lower limit for liquid viscosity.

How a cup of water can unlock the secrets of our Universe

Categories Physics & Mathematics

The first anniversary image from NASA’s James Webb Space Telescope displays star birth like it’s never been seen before, full of detailed, impressionistic texture. The subject is the Rho Ophiuchi cloud complex, the closest star-forming region to Earth. It is a relatively small, quiet stellar nursery, but you’d never know it from Webb’s chaotic close-up. Jets bursting from young stars crisscross the image, impacting the surrounding interstellar gas and lighting up molecular hydrogen, shown in red. Some stars display the telltale shadow of a circumstellar disk, the makings of future planetary systems. Download the full-resolution, uncompressed version and supporting visuals from the Space Telescope Science Institute: https://webbtelescope.org/contents/media/images/2023/128/01H449193V5Q4Q6GFBKXAZ3S03?news=true

Webb celebrates first year of science with close-up on birth of sun-like stars

Categories Space

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