Credit: S. Mantovanini & the GLEAM-X team. Click here to zoom in.
Monday, 10 November 2025
Astronomers from the International Centre of Radio Astronomy Research (ICRAR) have created the largest low-frequency radio colour image of the Milky Way ever assembled.
This spectacular new image captures the Southern Hemisphere view of our Milky Way galaxy, revealing it across a wide range of radio wavelengths, or ‘colours’ of radio light.
It provides astronomers with new ways to explore the birth, evolution, and death of stars in our Galaxy.
Credit: NASA/JPL-Caltech/ASU/MSSS/SSI.
Tuesday, 11 November 2025
NASA’s Perseverance Mars rover used its Mastcam-Z camera system to shoot video of Phobos, one of Mars’ two moons, eclipsing the Sun. It’s the most zoomed-in, highest-frame-rate observation of a Phobos solar eclipse ever taken from the Martian surface. This image is a still taken from that video, which was shot in April 2022.
Credit: ESA/Hubble & NASA, K. Noll.
Wednesday, 12 November 2025
The interaction of two doomed stars has created this spectacular ring adorned with bright clumps of gas – a diamond necklace of cosmic proportions. Fittingly known as the “Necklace Nebula,” this planetary nebula is located 15,000 light-years away from Earth in the small, dim constellation of Sagitta (the Arrow).
Credit: ESA/TGO/CaSSIS.
Thursday, 13 November 2025
When a meteoroid shook the edge of Apollinaris Mons on Mars, it triggered streaks that carved a hundred new scratches on the surface. The European Space Agency’s ExoMars Trace Gas Orbiter captured these dust avalanches on the slopes the night before Christmas in 2023.
This image from the Colour and Stereo Surface Imaging System (CaSSIS) onboard the European orbiter also shows the faint cluster of impact craters in the discoloured region at the base of the slopes. Additional imagery helped scientists determine that the impact and streak formation occurred between 2013 and 2017.
Scientists believe these streaks on Mars form when layers of fine dust suddenly slide off steep terrain. With no evidence of water, they concluded that these features mainly result from dry processes driven by wind and dust activity.
The image covers an area of approximately six square kilometers.
Credit: ESA/Webb, NASA & CSA, J. H. Kastner (Rochester Institute of Technology).
Friday, 14 November 2025
This new JWST picture features a cosmic creepy-crawly called NGC 6537 — the Red Spider Nebula. Using its Near-InfraRed Camera (NIRCam), JWST has revealed never-before-seen details in this picturesque planetary nebula with a rich backdrop of thousands of stars.
Planetary nebulae like the Red Spider Nebula form when ordinary stars like the Sun reach the end of their lives. After ballooning into cool red giants, these stars shed their outer layers, casting them into space and exposing their white-hot cores. Ultraviolet light from the central star ionises the cast-off material, causing it to glow. The planetary nebula phase of a star’s life is as fleeting as it is beautiful, lasting only a few tens of thousands of years.
This image zooms in on the centre of the nebula, where the searing hot core of a dying star strips electrons from the dusty gas that surrounds it. Though only one star is faintly visible at the heart of the nebula, researchers suspect that many of the nebula’s characteristics are caused by the presence of a second star.
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