Space.comTopic:
Latest Discoveries About Pluto, the Dwarf Planet
Pluto, originally considered the ninth planet, was recently classified as a dwarf planet and is the least massive planet in the solar system.
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With planets, dwarf planets and plutoids, the solar system's getting crowded.
A dwarf planet beyond Neptune has been renamed Makemake.
Pluto went from planet to dwarf planet and the latest name, plutoid.
Its existence would satisfy the long-held hopes and hypothesis for a "Planet X" envisioned by scientists and sci-fi buffs alike.
Disgruntled scientists renewed their vows this week to call Pluto a planet despite an international governing body's latest ruling to reclassify the tiny world.
The Pluto-bound New Horizons spacecraft crossed the orbit of Saturn on June 8.
The IAU decides on a name for Pluto and other round objects way out there.
Thoughtful astronomy books abound for the holiday gift-giving season.
Colossal impacts may have bowled over remote, frozen moons
New images bring Pluto and its moons into sharper view.
Brief fly-by of New Horizons spacecraft captures an unusually calm Jupiter.
Puffy debris disk around three nearby stars could harbor Pluto-sized planets-to-be.
Slushy geysers on Pluto’s moon Charon coat the tiny world in ice crystals and make it the outer solar system equivalent of an ice machine.
The dwarf planet that forced astronomers to strip Pluto of its planethood is not only bigger than the former ninth planet, but also much more massive, a new study finds.
NASA is presenting a series of stunning new images today of the Jupiter system snapped by its probe New Horizons earlier this year.
Telescopes all over the southwest United States will turn toward Pluto as it meanders across the face of a star in the constellation Sagittarius on Sunday. The observations could help researchers better understand the diminutive world's atmosphere.
The state of New Mexico State could effectively secede from the astronomical community if a resolution to call Pluto a planet is passed.
We’ve been waiting for a long time and, finally, we’re on our way. But there are no “direct” flights to Pluto—the only way to get there is to first swing by Jupiter.
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