An American astronomer known for promoting the idea of canals on Mars.

अन्योन्याश्रित खगोलज्ञ

English Usage: Percival Lowell was a significant figure in the study of Mars.

Hindi Usage: पर्सिवल लोवेल मंगल के अध्ययन में एक महत्वपूर्ण व्यक्ति थे।