ELI5: Explain Like I'm 5

History of the telescope

The telescope is a tool that helps us to see things that are far away. It's been around for a long time. People have been using some kind of telescope for about 400 years. The first telescopes were very simple, but they still let people see things in the sky that they couldn't see before.

The telescope was invented by a Dutch scientist named Hans Lippershey in 1608. He built this telescope out of some lens and tubes. This was the first telescope that we know of, and it was much simpler than the telescopes we use today.

Over the next several hundred years, astronomers and scientists continued to make telescopes better and better. They got bigger to help them see more things, and they added better lenses and mirrors to make the images they saw more detailed. Now, the most powerful telescopes are a lot bigger than the first inventions, and they use very powerful lenses that can show us things that are millions and millions of miles away.