• Moiya McTier

Astronomy Fun Fact #69

You actually can’t see the Great Wall of China from space!


People say you can see it from space because it’s so big, but it’s not big. It’s long, and there’s a difference.


The Great Wall of China is about 5500 miles long, but it’s only 20 feet wide.


Twenty feet is smaller than the width of an average house, and you don't hear people claiming that you can see individual houses from space, do you?


Seeing something 20 feet wide from space (about 250 miles at the ISS) is as difficult as you seeing a worm on the ground from the top of the Empire State Building!



7 views

Recent Posts

See All

Astronomy Fun Fact #100!

Alright, friends. Here it is, my 100th and final astronomy fun fact! And what better topic to end on than the ultimate fate of the universe? Scientists more or less agree that the universe started wit

Astronomy Fun Fact #99

Astronomy is often viewed as an unnecessary science because people think astronomy research doesn't directly affect people's lives. Astronomers don't develop medicines, unravel the mysteries of brain

  • Instagram Social Icon
  • LinkedIn Social Icon