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solar system

Space

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

Many planets are thought to be flung away from their stars, but it’s possible that some get trapped on the way out – and one could be lurking at the edge of our own solar system

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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

Comment

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

Culture

Health

We may finally know why psychological stress worsens gut inflammation

News

Bendy solar panels are just as good as regular ones

Technology

Bendy solar panels are just as good as regular ones

News

The sheep return to the stable after grazing at the

Comment

Photos of solar sheep and an eco-winery capture Italy’s green journey

Regulars

Space

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

News

Space

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

News

Andrew McCarthy and Jason Guenzel 140 megapixel image of the sun

Comment

Dazzlingly detailed photo of a record solar tornado '14 Earths tall'

Regulars

perfect blue sky with clouds and water of the sea

Environment

We need to test solar geoengineering techniques soon, say researchers

News

white plate with spoon and fork, Intermittent fasting concept, ketogenic diet, weight loss, food crisis, restaurant and cafe reopening post covid-19 coronavirus pandemic; Shutterstock ID 1027820371; purchase_order: -; job: -; client: -; other: -

Health

Fasting for 24 hours could weaken the immune system

Mice that fasted for 24 hours had more inflammation and were more likely to die from a bacterial infection than mice on a regular eating schedule

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Environment

Green home designs put to the test in giant climate-controlled chamber

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Space

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

News

Space

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

News

Health

We must not lose the interest in immune health that covid-19 spurred

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