Light, and gravity, travel at the speed of light. When you look up at the night sky, it has never been in the arrangement you see, what you’re seeing is light and gravitational echos going back hundreds, thousands and millions of years.
Light, and gravity, travel at the speed of light. When you look up at the night sky, it has never been in the arrangement you see, what you’re seeing is light and gravitational echos going back hundreds, thousands and millions of years.
