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Giant mantle plume reveals Mars is more active than previously thought

Giant mantle plume reveals Mars is more active than previously thought

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Artist’s impression of an active mantle plume—a large blob of warm and buoyant rock—rising from deep inside Mars and pushing up Elysium Planitia, a plain within the planet’s northern lowlands. Volcanism at Elysium Planitia originates from the Cerberus Fossae, highlighted in red, a set of young fissures that stretches for more than 800 miles across …

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A Gas Giant Exoplanet Has Been Discovered With Twice The Density Of Earth

A Gas Giant Exoplanet Has Been Discovered With Twice The Density Of Earth

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A newly weighed exoplanet has left astronomers deeply puzzled. After taking measurements of a very young Jupiter-sized exoplanet named HD-114082b, scientists have found that its properties do not neatly match either of the two popular models of gas giant planet formation. Simply put, it’s way too heavy for its age. “Compared to currently accepted models, …

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Ancient giant sea turtle with never-before-seen features found in Europe, scientists say CNN

Ancient giant sea turtle with never-before-seen features found in Europe, scientists say CNN

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advances and more. CNN — Long ago, gigantic marine turtles swam the Earth’s seas. Until recently, these prehistoric giants, reaching lengths of over 3 meters (10 feet) from head to tail, were thought to be found only in …

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Neutron Stars Are Basically Giant Cosmic Pralines, Astrophysicists Say

Neutron Stars Are Basically Giant Cosmic Pralines, Astrophysicists Say

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An illustration showing the internal workings of heavier (left) and lighter (right) neutron stars, imagined as pralines.Illustration: Peter Kiefer & Luciano Rezzola Astrophysicists modeling the insides of neutron stars have found that the extremely compact objects have different internal structures, depending on their mass. They suggest thinking of the stars as different types of chocolate …

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purpleish gas clouds against starry background

‘Fuzzy’ dark matter might make stars form in giant ‘pancakes’

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A model of exotic dark matter suggests that the first stars may have formed not as individuals, but as tiny pockets embedded in gigantic, pancake-like sheets. This would have led to the formation of truly gigantic stars that the James Webb Space Telescope may be able to detect, a research team says. Astronomers have a …

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Powerful Telescope Captures Breathtaking Aftermath of Giant Star's Death

Spectacular Image Captures ‘Ghostly’ Aftermath of Giant Star’s Death 11,000 Years Ago

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Space organizations didn’t let us forget it was Halloween on Monday. The NASA Exoplanets Twitter account became NASA Hexoplanets and NASA Goddard was NASA Ghoul-dard. The James Webb Space Telescope updated its heavenly Pillars of Creation portrait to give off something of a hellish vibe. And on Monday, the European Southern Observatory rounded out the …

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Powerful Telescope Captures Breathtaking Aftermath of Giant Star's Death

Powerful Telescope Captures Breathtaking Aftermath of Giant Star’s Death

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It’s Halloween, and space organizations don’t plan on letting us forget it. NASA Twitter handles have been switched. NASA Exoplanets is now NASA Hexoplanets and NASA Goddard is now NASA Ghoul-dard. The James Webb Space Telescope updated its heavenly Pillars of Creation portrait to give off something of a hellish vibe. And on Monday, the …

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Ancient Traces of a Giant Ocean Have Just Been Discovered on Mars

Ancient Traces of a Giant Ocean Have Just Been Discovered on Mars

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You’ll no doubt be familiar with the dry, dusty appearance of Mars as it looks today – but scientists have found evidence of a vast ocean existing on the surface of the red planet around 3.5 billion years ago, likely covering hundreds of thousands of square kilometers. That evidence comes in the form of distinctive …

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Oil giant Shell reveals plans to hike dividend as quarterly profits more than double

Oil giant Shell reveals plans to hike dividend as quarterly profits more than double

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The logo of Shell on an oil storage silo, beyond railway tanker wagons at the company’s Pernis refinery in Rotterdam, Netherlands, on Sunday, Oct. 23, 2022. Bloomberg | Bloomberg | Getty Images British oil major Shell on Thursday reported that quarterly profits more than doubled from the same period last year, but lower refining and …

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"Marshmallow" World Discovered: Giant Fluffy Planet Orbiting a Cool Red Dwarf Star

“Marshmallow” World Discovered: Giant Fluffy Planet Orbiting a Cool Red Dwarf Star

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Artist impression of an ultra fluffy gas giant planet orbiting a red dwarf star. A gas giant exoplanet [right] with the density of a marshmallow has been detected in orbit around a cool red dwarf star [left] by the NASA-funded NEID radial-velocity instrument on the 3.5-meter WIYN Telescope at Kitt Peak National Observatory, a Program …

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