The discovery of a giant planet orbiting a small red dwarf is challenging the core accretion theory of planet formation. Credit: University of Warwick/Mark Garlick. The discovery of a Saturn-sized ...

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The bladed terrain of Tartarus Dorsa on the dwarf planet Pluto is seen in an image from NASA's New Horizons spacecraft. Reuters (Representational Image) Scientists have discovered a possible new ...

A potential new dwarf planet ... a possible dwarf planet at the edge of the solar system. Measuring at an estimated 435 miles across, it’s significantly smaller than Pluto, which measures ...

“This project was really an adventure.” If confirmed, the newfound dwarf planet would be what Cheng calls an “extreme cousin” of Pluto. The findings were published on the preprint website ...

which should not exist under leading planet formation theories. Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our Sun. Like many small stars, it is not ...

2017 OF201 has an orbit stretching over 1,600 AU from the sun Its unclustered orbit contradicts the Planet Nine hypothesis Discovery suggests many more distant dwarf planets may exist ...

(Photo: Reuters) advertisement Its size is estimated to be slightly smaller than Ceres—the smallest of the five officially recognized dwarf planets—which measures about 590 miles (950 km) across. For ...

In 2006, updated research led to Pluto being controversially demoted to dwarf planet status by the International Astronomical Union. The reasoning was that Pluto's location in the far-flung Trans ...

Its size is estimated to be a bit smaller than Ceres, which is the smallest of the solar system’s five recognised dwarf planets and has a diameter of about 950km. Pluto, the largest of those ...

Its size is estimated to be a bit smaller than Ceres, which is the smallest of the solar system's five recognised dwarf planets and has a diameter of about 950km. Pluto, the largest of those dwarf ...