What if I told you a boy with terrible eyesight grew up to unlock the secrets of how planets dance around the sun?

The Day a Future Genius Astronomer Was Born!

Meet the man who figured out how planets move around the sun

Johannes Kepler was born on this day and figured out how planets really move!

On September 20, 1580, in a small town in Germany, a baby was born who would grow up to solve one of the universe's biggest mysteries! His name was Johannes Kepler, and he would become one of the greatest astronomers ever!

As a kid, Johannes was super curious about everything, especially the night sky. He loved watching the stars twinkle and wondered why the planets moved the way they did. But here's something amazing — Johannes was so sick as a child that his eyesight was damaged! Can you imagine becoming a famous astronomer with bad eyes? Talk about determination!

When Johannes grew up, he studied math and science and became obsessed with figuring out exactly how planets orbit the sun. Back then, most people thought planets moved in perfect circles. But Johannes spent YEARS doing incredibly difficult math calculations (without a calculator!) and discovered something mind-blowing: planets actually move in oval shapes called ellipses!

This discovery was huge! It helped explain why planets sometimes look like they're moving faster or slower in the sky. Johannes wrote down three special rules about planetary motion that scientists still use today — even NASA uses them to send spac…

💡 Johannes Kepler had such bad eyesight from childhood illness that he saw double vision, yet he still became one of history's greatest astronomers!