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astrophysics

Space

Detailed image of supermassive black hole shows its powerful jet

An image of a black hole called M87* shows never-before-seen details of matter falling into its centre and a jet shooting out of it, which has given astronomers a better understanding of the dynamics around this behemoth

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A new image of a supermassive black hole has revealed more of the disc of matter falling into it and the powerful winds created by that process. The black hole in question is called M87*, and it was the subject of the first direct image of a black hole ? this new data will help researchers complete the picture.

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How to understand wormholes and their weird quantum effects

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Space

JWST spots smallest galaxy outside our local universe

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The giant El Gordo galaxy cluster
Artwork of the young Earth-Moon system. The Earth had recently formed when it was struck by a protoplanet called Theia roughly three times the size of Mars. Debris from the impact went into orbit, while the cores of the two planets merged. Within weeks of the event, the debris formed a Saturn-like ring around the Earth. Later collisions in this ring led to the formation of the Moon, probably within just a few thousand years. Initially the Earth and Moon were much closer together than they are now, and spinning more quickly.

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Moon mystery could be solved by simulation of planetary smash-up

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Figure 4. Pseudo-color images of all Cepheid-bearing galaxies analyzed in this work.

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It’s official – we don’t know how fast the universe is expanding

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Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA's Spitzer Space Telescope. The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals along linear structures in a configuration that resembles the spokes of a wheel or the pattern of a snowflake. Hence, astronomers have nicknamed this the "Snowflake Cluster."

Space

Sun-like stars may go through brighter phases as they grow up

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WHY is there something rather than nothing?

Physics

Why is there something not nothing? The big bang isn’t the only answer

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Lunar craters could reveal past collisions with ancient black holes

Space

Lunar craters could reveal past collisions with ancient black holes

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Physics

The black hole paradox that thwarts our understanding of reality

Black holes devour stuff and then shrivel away over billions of years. Explaining what happens to anything that falls in explodes our current theories of physics, says cosmologist Paul Davies

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The black hole paradox that thwarts our understanding of reality

Space

Why there are still huge mysteries in supernova physics

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Why the universe can be described by the equations of fluids

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Space

Black holes leak energy when they eat plasma near the event horizon

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Space

Does a halo of mysterious dark matter swirl around every galaxy?

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