The Hubble space telescope has made another discovery. This time, the orbiting telescope has found a fifth moon orbiting the icy dwarf planet, Pluto.
A team of scientists using the Hubble Space Telescope said Wednesday they have discovered the tiniest moon yet around Pluto. That brings the number of known moons to five.
The mini-moon is estimated to be up to 15 miles across, smaller than the one that scientists spotted last year, which is up to 21 miles wide. Pluto’s largest moon, Charon, is about 650 miles across.
Until the newly found moon gets a name, it will be known as P5.
A NASA spacecraft named New Horizons will arrive at Pluto in 2015. When New Horizons launched in 2006, Pluto was a full-fledged planet, but astronomers have since demoted it to dwarf planet.
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