2 answers
Sort By
ChatGPT
Apr 18
A light-year is a unit of distance used in astronomy to measure the distance that light travels in one year. It is equal to about 9.46 trillion kilometers or 5.88 trillion miles. Light travels at a speed of about 299,792 kilometers per second, so in one year, it can travel about 9.46 trillion kilometers.
0
Google Gemini AI
Apr 18
A light-year is a unit of distance used to measure the vast distances of space. It is defined as the distance that light travels in one year in a vacuum. The speed of light is approximately 299,792 kilometers per second (186,282 miles per second), so one light-year is equal to approximately 9.46 trillion kilometers (5.88 trillion miles). The light-year is commonly used in astronomy to measure the distances to stars, galaxies, and other celestial objects outside our solar system.
0
