New Solution to Old Mystery: Why Doesn’t the Inside of the Solar System Spin Faster?

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New research from Caltech proposes a new solution to a longstanding mystery about thin gas disks rotating around young stars. The key to solving a longstanding mystery about thin gas disks rotating around young stars: the motion of a tiny number of charged particles. This is according to a new study from the California Institute … Read more

Online pricing algorithms are gaming the system, and could mean you pay more

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Price fluctuations as a result of algorithms have been found to increase feelings of customer betrayal. Steven Puetzer/Getty Images hide caption toggle caption Steven Puetzer/Getty Images Price fluctuations as a result of algorithms have been found to increase feelings of customer betrayal. Steven Puetzer/Getty Images If you’ve shopped online recently, you may have had this … Read more

Now We Know Why Jupiter Doesn’t Have Big, Glorious Rings Like Saturn

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Given its similarities to its neighbor, Saturn, it seems natural to ask why Jupiter doesn’t also have a magnificent, extensive system of visible rings. Alas, it’s not the reality. While Jupiter does have rings, they’re thin, tenuous, flimsy things of dust, visible only when back-lit by the Sun.   According to new research, these discount … Read more

The “Grandest Canyon” in the Solar System: Mars Express Captures Stunning Images of Massive Martian Canyon

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Ius and Tithonium Chasmata on Mars. This image from ESA’s Mars Express shows Ius and Tithonium Chasmata, which form part of Mars’ Valles Marineris canyon structure. This image comprises data gathered by Mars Express’ High Resolution Stereo Camera (HRSC) on April 21, 2022. Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO ESA’s

The Mars Express Delivers Truly Epic Views of The Solar System’s Biggest Canyon

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The biggest known canyon in the Solar System is getting the star treatment in new images from the European Space Agency’s Mars Express orbiter. As it whooshed by in Martian orbit, the spacecraft captured a pair of gouges in the planet’s surface that make up part of the Valles Marineris, a system of canyons known … Read more

‘First of Its Kind’ Triple Star System Detected in Deep Space

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Somewhere in the depths of our universe, a stellar ballet is underway.  Against the dark curtain of space, three enormous, glittering stars are locked in a dance by their own gravitational forces and aglow in their shared luminescence. Two of these blazing balls of gas are tightly pirouetting around one another, completing their mutual orbit … Read more

‘Twilight telescopes’ are finding ‘city-killer’ asteroids in an unexplored region of our solar system

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When it comes to looking for asteroids, we have a blind spot. It may seem counterintuitive, but the most important asteroid discoveries are now being made in twilight, when astronomers are able to look close to the horizon — and close to the sun — for little-known asteroids that orbit inside the orbits of Earth, … Read more

Look! Webb data reveals stunning images of potentially habitable star system

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Hold on to your hats: We have the first confirmed images of TRAPPIST-1 from the James Webb Space Telescope. The star is one of the hottest targets in astronomy, as the TRAPPIST system’s planets are good candidates for potentially hosting life. The images are ground-breaking in the level of detail they afford astronomers who want … Read more

‘First of its kind’ triple star system likely gobbled up a 4th star

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Artist’s interpretation of  the quadruple-star system HD 98800. the newly discovered triple star system, known as TIC 470710327, has a very similar structure except the outer pair of stars orbiting the central binary pair have merged into a single star. (Image credit: NASA/JPL-Caltech/UCLA) (opens in new tab) Astronomers have detected a triple star system that … Read more

The inner solar system spins much more slowly than it should. Now, scientists may know why.

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The inner solar system spins much more slowly than the laws of modern physics predict, and a new study may help to explain why.  A thin disk of gas and dust — known as an accretion disk — spirals around young stars. These disks, where planets form, contain leftover star-forming material that is a fraction … Read more