HPSC HCS 2017 · Question 6 of 100
Science & Tech
Eris, the most massive known dwarf planet, was discovered in January 2005 by the Palomar Observatory team led by Mike Brown. (The paper's option (d) carries the name; the official key marks (d).)
Source: Question text: HPSC HCS (Ex.Br.) Prelims GS Paper-I held 31-Mar-2019 (Drishti IAS official-paper transcription; cross-checked with Abhimanu IAS Set-D solved paper). Answers: official HPSC Series-D answer key.
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