Entry Adults £15, Children (ages 0-17) free. The entry fee covers all the activities on site for the day except for the jet car kits. Doors open 10:30. Events start at 11:00. You can pay on the door or book in advance. Bookings open early September. All children must be accompanied by a responsible adult.
Planetarium shows will be ticketed (no extra charge) to manage capacity. On arrival, you are recommended to book a ticket for the time you wish to avoid disappointment.
Get ready for an out-of-this-world day at Sidmouth’s famous observatory! Build and launch your own rocket, discover how telescopes reveal the wonders of the universe and journey through the stars in the planetarium. Have a go at the ever-popular jet car building and racing, enjoy fascinating stories and hear from expert speakers. There’s something to spark everyone’s curiosity!
Highlights include:
- Show and workshops with Devon Science
- Fun with Space Detectives and the Institute of Physics
- Jet car building and racing
- Planetarium shows – the sky tonight
- Space-themed talks – see below
- Cutting edge science in the Technology Centre
- And much more!
This year there are four space-themed talks – Planet-forming discs with the James Webb Space Telescope, The quest for new worlds, Chaos in weather forecasting and Space Weather.
Food and drink are available onsite all day or bring a picnic and use the benches and tables outdoors.
A quiet space has been set aside for anyone who needs to take time out. Please respect the needs of other users.
Photos and brief videos will be taking place at this event and possibly used for marketing purposes. If you, or anyone you have caring responsibilities for, do not wish to be included, please inform the photographer/artist or a steward.
In association with the Norman Lockyer Observatory.

