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Which was the most important scientific discovery made during ISRO's Chandrayaan-1 mission?
AA magnetic field stronger than the earth's on the moon
BExistence of an atmosphere like the earth's on the moon
CActive volcanoes erupting on the moon
DPresence of water on the moon's surface
Answer & Solution
Correct answer: D. Presence of water on the moon's surface
1. In 2008 ISRO launched Chandrayaan-1 and placed it in orbit around the moon.
2. The chapter states its most important discovery was the presence of water on the moon's surface.
3. India was the first country to discover this.
4. So the key finding was water on the moon.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 10 "Space Missions", p.151_
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