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When were Kerberos and Styx discovered?
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Pluto
Pluto as observed by the New Horizons spacecraft, July 13, 2015.
The moons Kerberos and Styx, which orbit the dwarf planet Pluto, were discovered in the following years:
- Kerberos: Discovered in 2011.12
- Styx: Discovered in 2012.12
Both moons were identified using the Hubble Space Telescope.12