Dwarf Planets

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Following its longest hibernation period ever of nearly a year, NASA’s New Horizons spacecraft has emerged in good health and is ready to begin transmitting science data gathered in the distant Kuiper Belt far beyond Pluto.
Posted July 7, 2026
Astrophysics Division
Dwarf Planets
Goddard Space Flight Center
Hubble Space Telescope
The Kuiper Belt
White Dwarfs
In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA’s Hubble Space Telescope could identify that this meal is taking place. The stellar remnant is a white dwarf about half the mass of our Sun, but that is densely packed into […]
Posted September 18, 2025
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