NASA’s Webb Just Found Something Unexpected Beyond Neptune
Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...
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On 95th anniversary of Pluto discovery, its home observatory celebrates solar system’s underdog
Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...
Eos5d
Dusty Belts Provide Clearer Insights into Exoplanet Formation
The belts are analogous to the solar system’s Kuiper Belt ... project produced high-resolution images of the belt systems around 74 stars within about 500 light-years of Earth—the largest ...
Leaving Pluto in the dust: New Horizons probe gearing up for epic crossing of 'termination shock'
NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...
Space.com5d
Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe. Clyde Tombaugh didn't set out to discover Pluto when he sent his ...
Space.com4d
Leaving Pluto in the dust: New Horizons probe gearing up for epic crossing of 'termination shock'
Sailing onward, the probe carried out a Jan. 1, 2019 flyby of Arrokoth, a Kuiper Belt Object, or KBO, located in a region of space beyond Neptune called the Kuiper Belt. There are scads of other ...
Nature9d
Asteroids, comets and Kuiper belt articles from across Nature Portfolio
Asteroids, comets and Kuiper belt are bodies smaller than planets that orbit the sun. Asteroids are composed of metals and rock, whereas comets also contain ice and dust. The Kuiper belt is a ...