The first definition would allow Pluto, along with Ceres and all of Pluto's co-orbital friends, to become planets. The latter ...

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

An curved arrow pointing right. We all know Neil deGrasse Tyson's stance on Pluto and its status as a planet. But what does the world renowned astrophysicist consider to be the most underrated planet?

Ceres is the largest object between Mars and ... that was captured—it was not born in orbit around Neptune—it was sort of like a Pluto that was captured by Neptune. It's got a really ...

Today NASA said that the Dawn spacecraft has fallen out of contact with Earth, presumably because it’s run out of the thruster… Read More The once-mysterious bright spots shining on the surface of the ...

Explore the planets with NASA There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris, according to NASA. What happened to Pluto?

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it’s understandable that the IAU faced criticism from the public for redefining a "planet" in such a way that seemed almost tailored to exclude Pluto, along with bodies like Eris, Ceres and Pallas.

Pluto the planet came first ... they were actually deciding whether another four planets would join the solar system, (Ceres, Haumea, Makemake, and Eris). Astronomer Mike Brown, discoverer ...

There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris, according to NASA. What happened to Pluto? Why isn't Pluto classified as a planet?