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Recent telescope data revealed that a small planet in the far reaches of our solar system has a dense ring round it. And scientists are baffled as to why. The planet, Quaoar, is one of roughly 3,000 small planets that orbit the sun beyond Neptune, and at 690 miles (1,110-kilometers) wide, it’s about the seventh largest, with Pluto and Eris ranking as the biggest. Observations of Quaoar made between 2018 and 2021 revealed that the planet has a ring sitting farther away from it than [...]

(CNN) -- Datos recientes de un telescopio revelaron que un pequeño planeta situado en los confines de nuestro sistema solar está rodeado por un denso anillo y los científicos están desconcertados. El planeta, llamado Quaoar, es uno de los aproximadamente 3.000 planetas pequeños que orbitan alrededor del Sol más allá de Neptuno. Con un ancho de 1.110 kilómetros, es el séptimo más grande, siendo Plutón y Eris los [...]

(CNN) — Los investigadores encontraron dos nuevas especies de peces coloridos en la cuenca del Amazonas, y ya se encuentran en la lista de especies en peligro de extinción. Los peces pertenecen a una subfamilia llamada pez ciprínido de agua dulce sudamericano. El descubrimiento eleva a cinco el número conocido de especies de ciprínidos de agua dulce. Los investigadores han encontrado una nueva especie de pez, el Poecilocharax callipterus, en la cuenca del [...]

The fish belong to a subfamily known as South American darters. The discovery brings the identified variety of darter species to 5. One species, Poecilocharax callipterus, is distinguished by its lengthy, hanging red-orange fins and a darkish spot on the base of its tail. The different new species, Poecilocharax rhizophilus is probably the most miniature darter ever recognized. This tiny fish only measures about three-quarter inch (2 centimeters) in size as a mature grownup. It’s [...]

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more.(CNN) Two new colorful species of fish have been found in Brazil's Amazon Basin -- and they are already at risk of disappearing due to extinction.The fish belong to a subfamily called South American darters. T he discovery brings the known number of darter species to five.One species, Poecilocharax callipterus, is distinguished by its long, [...]