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space-time

Space

Ariane 6 rocket launch: What is it and when is it happening?

Europe is set to regain its capacity to launch satellites into space when the Ariane 6 rocket finally flies after years of delays

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Mathematics

Is the universe a game?

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Space

Time ticks faster on the moon by 57 microseconds per Earth day

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Space

‘Little red dot’ galaxies are breaking theories of cosmic evolution

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2CE844B Infinity tunnel pocket watch time, time travel concept

Physics

How physics is helping us to explain why time always moves forwards

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HY0AKX Little green alien and welcome sign welcomes visitors to a business in Roswell, New Mexico

Space

Why our location in the Milky Way is perfect for finding alien life

Features

https://www.esa.int/ESA_Multimedia/Images/2022/07/Stephan_s_Quintet_NIRCam_and_MIRI_imaging Stephan?s Quintet ? NIRCam and MIRI imaging An enormous mosaic of Stephan?s Quintet is the largest image to date from the NASA/ESA/CSA James Webb Space Telescope, covering about one-fifth of the Moon?s diameter. It contains over 150 million pixels and is constructed from almost 1,000 separate image files. The visual grouping of five galaxies was captured by Webb?s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI). With its powerful, infrared vision and extremely high spatial resolution, Webb shows never-before-seen details in this galaxy group. Sparkling clusters of millions of young stars and starburst regions of fresh star birth grace the image. Sweeping tails of gas, dust and stars are being pulled from several of the galaxies due to gravitational interactions. Most dramatically, Webb?s MIRI instrument captures huge shock waves as one of the galaxies, NGC 7318B, smashes through the cluster. These regions surrounding the central pair of galaxies are shown in the colours red and gold. This composite NIRCam-MIRI image uses two of the three MIRI filters to best show and differentiate the hot dust and structure within the galaxy. MIRI sees a distinct difference in colour between the dust in the galaxies versus the shock waves between the interacting galaxies. The image processing specialists at the Space Telescope Science Institute in Baltimore opted to highlight that difference by giving MIRI data the distinct yellow and orange colours, in contrast to the blue and white colours assigned to stars at NIRCam?s wavelengths.

Space

How big is the universe? The shape of space-time could tell us

Features

Are space and time illusions? The answer could lie in black holes

Physics

Are space and time illusions? The answer could lie in black holes

Features

The Serpens Nebula

Space

Stunning JWST image proves we were right about how young stars form

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Titan as snapped by NASA's Cassini spacecraft showing the sun glinting off of the moon's north polar seas

Space

Saturn's moon Titan is experiencing coastal erosion from methane seas

Saturn’s moon Titan has coastlines matching ones on Earth that have been carved by waves, hinting that Titan’s hydrocarbon seas and lakes also has them

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Space

Is an old NASA probe about to redraw the frontier of the solar system?

Features

Space

JWST spotted an incredible number of supernovae in the early universe

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Physics

What "naked" singularities are revealing about quantum space-time

Features

Health

Astronaut medical records reveal the health toll of space travel

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