Astronomy for Beginners
Here’s where you’ll find observing guides, how-to articles and great astronomy hints and tips. Don’t forget to also check out our comprehensive astronomy dictionary.
A type of particle accelerator capable of smashing particles called muons and anti-muons together to study high-energy collisions.
A unit of measurement in astronomy that is equivalent to 1/1800th of the angular diameter of the Full Moon.
This is a rare form of gravitational lens that occurs when a distant galaxy’s light is magnified by another galaxy directly in front of it, as seen from Earth. The result is a distorted image of a background galaxy in the shape of a perfect ring.