Multiple choice general knowledge science & technology How long it took for Chanrayan to reach moon's orbit? 51 days 24hrs 7 dyas 21 days Reveal answer Fill a bubble to check yourself D Correct answer Explanation Chandrayaan-1 took approximately 3-4 weeks to reach and stabilize in Moon's orbit. The journey involved multiple orbit-raising maneuvers. 51 days is too long, 24 hrs and 7 days are too short for the complex journey.