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The Sun May Have Swallowed a Planet

New research suggests that some unusual characteristics of the Sun may be explained if it swallowed a large planet sometime during the Solar System’s formation. from Universe Today https://ift.tt/Fr2xyaX via IFTTT
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Mercury is Shrinking, But Faster Than Previously Thought

The rough, impact-debris-covered surface of Mercury has hidden the true rate at which Mercury has been shrinking, which scientists previously underestimated by 30% from Universe Today https://ift.tt/NQFD7Kr via IFTTT
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When Stars Engulf Rocky Planets, Beryllium Gives It Away

Astronomers know that stars can engulf planets when they stray too close. But how can they know, by looking at a star, if it has ever done so? The answer lies in Beryllium, an element not synthesized inside stars. from Universe Today https://ift.tt/FmNq4PZ via IFTTT
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Webb Searches for Brown Dwarfs in a Stunning Star-Forming Region

How small can brown dwarfs be before the definition breaks down? That question is at the heart of new research, and new JWST images. Using the space telescope, researchers have discovered a new class of brown dwarfs with low masses, marked by a peculiar hydrocarbon feature. from Universe Today https://ift.tt/1NZxA8C via IFTTT
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For Trans-Neptunian Objects, The Past Is Written On Their Surface

Some Trans-Neptunian Objects (TNOs) formed closer to the Sun and migrated to the outer solar system, while others formed there originally. A new study finds that "hot" and "cold" origin TNOs can be distinguished not only by their orbits, but also by their surface color. from Universe Today https://ift.tt/KnRqvb8 via IFTTT
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Saturn's South Pole Features Newly Formed Atmospheric Decagon

The planet Saturn is arguably the most recognizable planetary object in the entire solar system because of its massive rings. Anytime a child is asked what their favorite planet is, the answer is often “The one with the rings!” But, while Saturn’s rings are its most striking feature, the famed planet has a myriad of other unique features that often get overlooked, specifically its polar activity. This includes a long-known rotating hexagon in its north polar region, but what kinds of activity could be occurring in Saturn’s southern polar region, and what could this teach scientists about planetary formation and evolution? from Universe Today https://ift.tt/0WI1QeP via IFTTT
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If Venus Had An Ancient Moon, It Was Doomed

Earth has a big beautiful Moon, while Venus, its 'sister planet', doesn't. Why is that? Did it ever have one? If it did, new research shows it was never going to last very long. from Universe Today https://ift.tt/7EZbeFK via IFTTT
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