New Pluto moons detected
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Amid the debate over whether Pluto is really big enough to be called a planet, Hubble Space Telescope astronomers announced Monday that they have spotted two previously unknown moons there.
Until now, Charon was Pluto's only known moon. The new moons surfaced in three days of Hubble observations in May.
Amid the debate over whether Pluto is really big enough to be called a planet, Hubble Space Telescope astronomers announced Monday that they have spotted two previously unknown moons there.
Until now, Charon was Pluto's only known moon. The new moons surfaced in three days of Hubble observations in May.
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