Inspiring people all over the globe to look up and enjoy the stars
Home of the UK Edexcel GCSE Astronomy e-textbook. Popular worldwide with students and enthusiasts alike, this is your passport to understanding the universe.
Launch your hobby to the next level
Download our free guides to help you explore space. Find out how we keep learning more and more about all that is around us. Stand on the shoulders of giants...
Sail with the stars
Explore the skies above you as you travel the globe. Join David on board world renowned cruise ships and experience the night skies as never before.
The Night Sky
Viewing guides give important details when observing -
to help you gain the best results from a night’s viewing
Tips how best to see
viewing Mercury and Venus
and much more...
In depth topics
Impacts in space
The search for life