1. Understand the Basics
* Speed of Light: Light travels at a constant speed in a vacuum, approximately 299,792,458 meters per second (m/s). We'll use the rounded value of 3 x 10^8 m/s for simplicity.
* Distance: The distance between the Earth and the Moon is 3.85 x 10^5 km. We need to convert this to meters: 3.85 x 10^5 km * 1000 m/km = 3.85 x 10^8 m
2. Calculate Time
* Formula: Time = Distance / Speed
* Substitute values: Time = (3.85 x 10^8 m) / (3 x 10^8 m/s)
* Simplify: Time = 1.28 seconds
Therefore, it takes approximately 1.28 seconds for reflected sunlight to travel from the Moon to Earth.