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.
-
Earth
Earth's surface shapes, plate movements, earthquakes, night and day boundaries and the Earth's magnetism.
-
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.
-
Atmosphere
Thunderstorms, lightning strikes, temperature changes, carbon dioxide levels, satellites and weather forecasts.
-
Space
The Solar System, the Moon, the planets, the moons of the planets and the Milky Way.
In cooperation
Also read
-
Heureka's tips for autumn
A colourful autumn at Heureka! Check out our best tips for what to do on an autumn day 2025.
-
Children's Medicine Day 23.8.2025
Welcome to Children's Medicine Day Saturday, August 23, 2025 from 9 am to 6 pm. During the event children and adults alike can jump into the shoes of a doctor or researcher! See the page for a more detailed program and buy tickets.
-
NOX evening 29.8.2025 (K18)
The next NOX evening for adults will be held 29.8.2025 at 18–22, with the theme of climate change. Tickets 10€. You can also attend the event with the Museum card or Heureka Club card. Remember to buy or reserve your place in advance!
-
Heureka's autumn holiday camps 2025
Heureka organizes two-day science and space camps for curious children in week 42. The camps are perfect for elementary school children who are hungry for knowledge and are enthusiastic about science experiments. Note! The camps are in Finnish. Tickets go on sale 15.9.2025 at 10am.
-
The Planetarium is closed
We will open a fully renovated and state-of-the-art Planetarium in late 2025.
-
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...
-
Thursday evening ticket for 10 €
Note! The discount does not apply to Thursday evenings during 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.
