"Moon must be mourning the death of its first visitor. RIP Neil Armstrong," said Anupam Kher.
Priyanka Chopra added: "RIP Neil Armstrong. You made us believe in endless possibilities - in reaching for the stars. My Condolences."
Armstrong landed on the moon July 20, 1969 on Apollo 11 spacecraft. He is remembered for his widely quoted remark which he made on landing: "One small step for man, one giant leap for mankind." He died Saturday.
Shekhar Kapur said: 'One small step for man, one giant leap for mankind.' Unforgettable message from moon by the first man to step on it. RIP Neil B-Armstrong.
Satish Kaushik added: "Man on the moon Neil Armstrong no more. RIP."
Siddharth: Neil Armstrong calls it a day. RIP 'man on the moon'. One of the first western names we learnt in school.
Vishal Dadlani: It's really true. Heartbroken! First man on moon Neil Armstrong dies at the age of 82.
Neil Nitin Mukesh: RIP Neil Armstrong.
Shruti Seth: RIP Neil Armstrong. A life well lived.