In one minute, light travels 11 million miles/18 million km. (That's 186,000 miles/300,000 km a second!) Light is fast, but distances in space are so vast that it can take years to reach us. https://go.nasa.gov/3ZJ5txv
#MondayMotivation: Look around; you're already on the way!
#NASAExoplanets
#MondayMotivation: Look around; you're already on the way!
#NASAExoplanets
What is a light-year? – Exoplanet Exploration: Planets Beyond our Solar System
Light-year is a celestial yardstick, the distance light travels in one year. Light travels at 186,000 miles (300,000 kilometers) per second, 5.88 trillion miles (9.46 trillion kilometers) per hour.Exoplanet Exploration: Planets Beyond our Solar System