Curious minds, young and old, are invited to discover, experiment, and be amazed during the Open Day of ASTRON, the Netherlands Institute for Radio Astronomy.
What to expect
At two locations—the Hallenhoes in Exloo and the LOFAR Superterp in Buinen—you can experience the world of radio astronomy up close:
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Explore an escape room at the Hallenhoes
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Take part in hands-on experiments with real scientists and engineers
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Learn fascinating facts about the universe
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Visit the heart of the world’s largest radio telescope: LOFAR
Admission is free, and both locations are open to all visitors.
About ASTRON
ASTRON is the Netherlands Institute for Radio Astronomy and a world leader in developing and operating advanced radio telescopes. From Exloo, ASTRON operates LOFAR, the largest connected radio telescope in the world, enabling groundbreaking research into the origins and evolution of the universe.
Practical information
📅 Date: Sunday 5 October 2025
🕑 Time: 12:00 – 16:00
📍 Locations:
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Hallenhoes, Zuiderhoofdstraat 8, 7875 AG Exloo
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LOFAR Superterp, 9528 RL Buinen (signs will direct you to parking)
Questions? Contact: events@astron.nl
