Forty-five years ago today, Neil Armstrong set foot on another world. From the Lift-Off until touchdown on the moon, it took them 102 hours and 45 minutes to get there.
I remember my parents waking me up for Neil actually stepping out of the lander. I lived in Ohio at the time, so it was almost 11:00pm our time. I was only 8 years old, so I didn't fully understand the magnitude of what was happening. I'm glad I got to see it.
Here is a picture of how it looks today, from Lunar orbit: