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Astronomers Spot a Surprising Ring System Lurking in the Outer Solar System
Publicado em 08 de fevereiro de 2023
The far-out dwarf planet Quaoar shows us we know little of rings after all.
Rings aren't just for glamorous giant planets like Saturn. An international team of scientists has discovered a confounding ring system orbiting the dwarf planet Quaoar, a Pluto-sized world beyond the orbit of Neptune.
This newfound cosmic bling orbits much farther out than other ring systems, causing astronomers to rethink existing theories about how such rings form.
"Everyone learns [...]
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Electric Eel Species With Most Powerful Shock Ever Discovered in Amazon
Publicado em 11 setembro 2019A new species of electric eel with the most powerful shock of any animal ever discovered has been found in the Amazon. The creature is one of three species now confirmed to exist. For the last 250 years, since electric eels were first identified, it was thought there was just one species in the genus. In a study published in Nature Communications, researchers led by C. David de Santana, from the Smithsonian's National Museum of Natural History, analyzed over 100 fish collected across [...]ver notícia