सौरमंडल में प्लूटो को ग्रह के बजाय बौना ग्रह मानने का मुख्य मानदंड क्या है?
What is the main criterion for considering Pluto a dwarf planet rather than a planet?
Explanation opens after your attempt
A. उसने अपनी कक्षा के आस पास का क्षेत्र साफ नहीं कियाIt has not cleared the neighborhood around its orbit
Concept
Pluto orbits the Sun and is nearly round but does not clear its orbital neighborhood. Exam tip: remember the third condition of planet definition.
Why this answer is correct
The correct answer is A. उसने अपनी कक्षा के आस पास का क्षेत्र साफ नहीं किया / It has not cleared the neighborhood around its orbit. Pluto orbits the Sun and is nearly round but does not clear its orbital neighborhood. Exam tip: remember the third condition of planet definition.
Exam Tip
प्लूटो सूर्य की परिक्रमा करता है और लगभग गोल है पर orbital neighborhood साफ नहीं करता। परीक्षा में planet definition की तीसरी शर्त याद रखें।
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