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Could we put out the sun with a sun-sized orb of water?

What would happen if we pushed a sun-sized ball of water into our star? The Dead Planets Society podcast dives into the possibilities

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Our solar system could be hiding an extra planet the size of Uranus

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Orion Nebula in Infrared NASA ID: PIA25434 This new image of the Orion Nebula produced using previously released data from three telescopes shows two enormous caverns carved out by unseen giant stars that can release up to a million times more light than our Sun. All that radiation breaks apart dust grains there, helping to create the pair of cavities. Much of the remaining dust is swept away when the stars produce wind or when they die explosive deaths as supernovae. This infrared image shows dust but no stars. Blue light indicates warm dust heated by unseen massive stars. Observed in infrared light ? a range of wavelengths outside what human eyes can detect ? the views were provided by NASA's retired Spitzer Space Telescope and the Wide-Field Infrared Survey Explorer (WISE), which now operates under the moniker NEOWISE. Spitzer and WISE were both managed by NASA's Jet Propulsion Laboratory in Southern California, ...more 508 Description:This infrared image of the Orion Nebula features plenty of dust but no stars. In these infrared wavelengths, it's possible to see hot spots where new stars are forming, while unseen bright, massive stars have carved out caverns of empty space. Date Created:2022-11-22 Center:JPL Keywords: Herschel Space Observatory , Spitzer Space Telescope , Wide-field Infrared Survey Explorer (WISE) , Orion Nebula Secondary Creator Credit: ESA/NASA/JPL-Caltech Visit JPL Website

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Under Alien Skies review: A terrific guide to our spectacular universe

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What are the prospects for life on the icy moons Europa and Enceladus?

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Breathtaking JWST image of Uranus shows rings, clouds and a polar cap

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Several dust rings are illustrated circling the Sun. In line with these rings' position around the Sun are the planets Mercury, Venus, and Earth.

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Weird dust ring orbits the sun alongside Mercury and we don't know why

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Visualisation of the dwarf planet Quaoar

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Dwarf planet Quaoar has a weirdly big ring of debris encircling it

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View of asteroid Ryugu from Hayabusa 2. Credits: JAXA, University of Tokyo & collaborators

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Hayabusa 2 has brought back gases from an asteroid for the first time

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Fragments of a meteorite near the sun, huge stone rocks fly at the space. Elements of this image furnished by NASA.; Shutterstock ID 1969898527; purchase_order: -; job: -; client: -; other: -

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Astronomers found a weird asteroid closer to the sun than any other

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An artist's impression of the Kuiper belt

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A long-lost rogue planet could explain unexpectedly distant asteroids

The outer solar system holds some chunks of ice and rock that orbit so far from the sun it’s hard to imagine how they got there – but an ancient rogue planet may hold the key

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NASA’s Juno spacecraft takes closest images of Europa for 20 years

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JWST has captured an astonishing view of Neptune and its rings

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Space

Saturn's rings could have come from a destroyed moon named Chrysalis

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Environment

Our neighbouring planets can help us understand Earth's climate change

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