The exhibition is on display for the time being.
Current phenomena
Science on a Sphere presents data collected by satellites about the oceans, the climate, the crust of the Earth, and astronomy.
Science on a Sphere is a spherical projection equipment system developed by the US National Oceanic and Atmospheric Administration (NOAA).
Information mainly collected by satellites about the oceans, climate, Earth's crust, and space is projected onto the surface of a two-meter diameter sphere. Some of the material is updated daily.
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Earth
Earth's surface shapes, plate movements, earthquakes, night and day boundaries and the Earth's magnetism.
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Oceans
Ocean currents, ocean surface temperatures, sea level variations and tsunamis, marine animal migration routes and the extent of snow cover in the Northern Hemisphere.
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Atmosphere
Thunderstorms, lightning strikes, temperature changes, carbon dioxide levels, satellites and weather forecasts.
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Space
The Solar System, the Moon, the planets, the moons of the planets and the Milky Way.
In cooperation
Also read
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Let's see! -family day 17.5.2025
Saturday 17.5. 10 am–6 pm Let's see!-family day with activities for all ages and different senses!
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H18: Camp Heureka 23.5.2025
The science camp evening for adults is here again! H18: Camp Heureka is organised on Friday, May 23rd from 7pm to midnight.
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Mother's Day Lunch at the Science Restaurant
Come celebrate mom at Heureka on Mother's Day 11.5.2025! For those who buy Mother's Day lunch at the Science Restaurant, Heureka tickets for the same day are half price by showing the lunch receipt at the Heureka ticket office.
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Heureka's tips for spring
Spring is fun at Heureka! Check out our opening hours, ticket prices, directions, lunch of the day, exhibitions and upcoming events.
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Science Camps in English for Children born in 2...
Popular science camps will be held again in the summer of 2025. Tickets are on sale now!
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Hearing test
As we age, our hearing deteriorates. Many people only realize this when they notice that they can no longer hear the chirping of crickets in the summer. Children can hear sounds with frequencies up to 20 kilohertz, but few 18-year-olds can hear sounds above 17.5 kHz. Why don't we find...
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NOX evenings for adults
The next NOX evening will be held in August 2025 with the theme of climate change.
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Finland's most curious class
The most curious classes in Finland were found in the Heureka competition. The primary school category was won by the 6G class of Mäkirinne school from Haapavesi, and the secondary school category was won by the 9B class of Juhannuskylä school from Tampere.
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The Planetarium is closed
We will open a fully renovated and state-of-the-art Planetarium in late 2025.
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Thursday evening ticket for 10 €
Note! The discount does not apply to Thursday evenings 20.2., 27.2., 17.4., 1.5., 29.5., 19.6., summer season 23.6.–10.8., 16.10. and 25.12. On Thursdays from 15:00–20:00, all entrance tickets are 10 €/each. Children under 5 years of age can enter Heureka free of charge accompanied by a guardian.
