Here’s how to see a rare green comet this week
This week, Earth gets a front-row seat to one of the oldest relics in the Solar System. October 21 Comet C/2025 A6 (Lemmon) will make its closest approach to Earth in its first and only appearance in more than a thousand years. “Comets are very common, but Comet Lemmon is really the best comet to … Read more