The next time you’re gazing into the night sky, consider that the closest star beyond the sun is more than forty trillion kilometers away. To reach that star you’d need to travel at the speed of light for more than four years! Incredibly, we can still see its light from earth.
The next time you’re gazing into the night sky, consider that the closest star beyond the sun is more than forty trillion kilometers away. To reach that star you’d need to travel at the speed of light for more than four years! Incredibly, we can still see its light from earth.