Identify the topic in the passage. on july 20 1969, astronant neil armstrong became the first human to touch the moon's surface and walk on the moon. his spacecraft was the us made rocket apolio 11. the event was televised, and an estimated 530 million people waited to see what he would do. once the ship landed armstorn climbed down the ladder to the moon's surface. he had to steady himsel to adjust to the difference in gravity on the moon. he spoke these famous words "that's one small step to a man , one gaint leap for mankind.