Earth’s orbit
-
The Messier Marathon
Have you heard of the Messier Marathon? If you travel in astronomy circles, you’re bound to have heard of it around this time of the year. Every March and April, astronomers from across the northern hemisphere embark on a challenge:…
-
Distances Between Stars
When you look up into the sky on a clear night away from the glare of the city, you see trillions upon trillions of stars. Thousands of years ago, the classical astronomers saw the same thing you do today — except…
