On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between ...

Sky This Week is brought to you in part by Celestron. Friday, December 19We're getting ready to say goodbye to the summertime ...

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The end of this entry's definition reads: "The largest known dwarf planets are: Eris, Pluto, Ceres, Makemake, and 2015 RR245." Why is 2015 RR245 listed as one of the largest dwarf planets? For ...

FAQ – Asteroids & Comets Is Ceres an asteroid or a dwarf planet? I have seen it classified as both. On January 1, 1801, Giuseppe Piazzi discovered the first asteroid, 1 Ceres. In 2006, when Pluto was ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to find an intact gaseous atmosphere. Not only is it incredibly cold, being ...

Makemake, found in 2005, is one of the five officially classified dwarf planets in the solar system, in addition to Pluto, Haumea, Eris, and Ceres. It is located in the Kuiper Belt, a region that is ...

WASHINGTON, Sept 26 (Reuters) - Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to have gobbled up an icy world akin to the ...

Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as the solar system's eight planets; and its orbit is both highly elliptical ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest evidence yet that icy, life-delivering objects ...

Data from NASA's Dawn mission, analyzed via thermal and chemical models, suggests Ceres possessed a long-lasting internal heat source driven by radioactive element decay. This heat source, reaching ...