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Cloud Chamber Workshop

  • 3 Nov 2018
  • 2:00 PM - 4:00 PM
  • North Pennines Observatory, Allenheads

This event is part of the second annual North Pennines Stargazing Festival running between 20 Oct-04 Nov 2018, during Half-Term.   Organised by the North Pennines AONB Partnership and supported by: Durham County Council; Northumberland County Council and Visit County Durham, the 2018 Stargazing Festival will take advantage of the area's stunning dark skyscape with 30 events over the two weeks unlocking the wonders of the night sky. If you are an existing Supporting Members of North Pennines Observatory you can enjoy discounted ticket prices for some paid-for events during the festival.


Witness beautiful trails made by unseen cosmic particles that are constantly passing through us and our world. A cloud chamber gives us a glimpse into the invisible world of particles produced in the radioactive decay of naturally occurring elements and those generated when cosmic rays strike the top of the Earth’s atmosphere.

You will make your own mini-cloud chamber from simple materials and see a larger cloud chamber in action. Using a sealed plastic container, some pure alcohol and dry ice you will create a super-saturated environment where the invisible charged particles ionize the vapour in their path triggering a condensation process in the ‘cloud’. We will then discuss how a cloud chamber works and think about other even more elusive particles such as dark matter that scientists are unable to detect at present.

It is suitable for adults and children 12 and over (under 14s must be accompanied by an adult).

The workshop is led by Susan Eyre, an artist who is interested in ways of visualising the unseen activity of matter around us and how we relate to the idea that m

Access to the Observatory is via an extremely steep access road and there is only very limited space for parking – details hereost of our universe is beyond our perception; sponsored by the Institute of Physics; and part of Allenheads Contemporary Art’s Beyond Programme.

To book contact: helenshead@acart.org.uk

Access to the Observatory is via an extremely steep access road and there is only very limited space for parking – access details here.

The North Pennines Observatory is owned and operated by the North Pennines AONB Partnership

The Observatory is currently only available for private bookings

North Pennines AONB Partnership, Allendale Village Hall, Allendale, Northumberland NE47 9PR 

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