Mark Showalter28 June 2011
A Hubble search led by Mark Showalter discovers a fourth moon of Pluto, later named Kerberos.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
A Hubble search led by Mark Showalter discovers a fourth moon of Pluto, later named Kerberos.
A follow-up Hubble image confirms the newly detected fourth Pluto moon.
A further Hubble observation again confirms the fourth Pluto moon and strengthens its orbital solution.
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