A person trained to travel in space.
A member of a space program, often involved in scientific research.
अंतरिक्ष अन्वेषण में शामिल सदस्य
English Usage: As a cosmonaut, she conducted experiments to understand the effects of microgravity.
Hindi Usage: एक अंतरिक्ष यात्री के रूप में, उसने सूक्ष्म गुरुत्वाकर्षण के प्रभावों को समझने के लिए प्रयोग किए।