ASTRONOMY

BASICS
 

AMAZING ATRNOMY FACTS

Some interesting and incredible astronomical facts.

HOW DO THEY KNOW THAT?

Ever wondered how they weigh the Sun? How do we know how far away objects are? Click here to find out.

GRAVITY

A close look at the mathematics of gravity and orbits.

PLANET DATA

All the numbers you need about the planets with some pretty pictures as well.

EXOPLANETS A PRACTICAL GUIDE

How many exoplanets are there? To date, NASA has determined that there are at least 3,730 exoplanets in existence. Discover everything you need to know!

10 CLOSETS STARS TO EARTH

Not many years ago, we didn’t know which of the closest stars to Earth had planets. Today, we know of nearly 4,000 extrasolar planets.

OBSERVING

Check the images sections to see some of our efforts and some of your own images as well!

Taken any good pictures? Please send them in to the “your images” gallery.

WHAT TO SEE

Upcoming night sky events and the best objects to observe.

THE MESSIER CATALOGUE

The Messier catalogue and other classifications.

THE CELESTIAL SPHERE

How to use celestial co-ordinates.

We won't spam!