Akaa Solar System Scale Model
Akaa Solar System Scale Model is located at the center of the city of Akaa, Finland. The Sun is located at the school campus of Toijalan Yhteiskoulu in Toijala district. The scale of the model is 1 : 3 000 000 000, meaning that each centimetre in the scale model represents 30 000 km in real life. The Sun is 464 mm in diameter and the Earth is 4 mm in diameter and located 49.86 meters away from the Sun. Neptune is 1500 meters away from the Sun, for example. Akaa Solar System Scale Model was built in 2017 by amateur astronomer Kari-Pekka Arola.
A walking tour of Akaa Solar System Scale Model starts from the Sun and all the planets are located northbound from the Sun. The walking route goes through the center of Toijala and towards the port of Toijala, where the furthest dwarf planet in the scale model, Eris is located. All the planets and most notable dwarf planets are included in the scale model. The current location (140 AU) of the Voyager 1 spacecraft in relation to the Solar System is also presented in the scale model (as the most distant man-made spacecraft) and the concrete pillar representing its location is at the center of the neighbouring town Viiala, approximately 7 km away from the Sun.
The speed of light in the scale model is exactly 10 cm/second, so walking the 50-meter distance from the Earth to Sun "at light speed" takes 8 minutes and 20 seconds.
Scale model of Proxima Centauri in Australia
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In 2018 scale model of the star Proxima Centauri was added to Akaa Solar System Scale Model. Proxima Centauri is a red dwarf star and the nearest star to the Solar System. It is located 4.24 light-years away. Within the model's scale, it has a diameter of about 72 mm and is located 13 370 km away from Akaa. This ground distance takes it in the middle of Australia and near the famous Ayers Rock / Uluru. The scale model of Proxima Centauri is placed at the nearby town of Yulara, in the Town Square visitor centre. This addition of Proxima Centauri demonstrates the differences of planetary distances vs. the stellar distances in the universe.
A map and info of the walking tour is available at the website of the city of Akaa.[1]
Free info app "Akaa Solar System Scale Model" is also available at Google Play Store.
See also
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References
[edit]- ^ "Akaaseen oma aurinkokunta - Akaa". www.akaa.fi. Archived from the original on 2017-10-17. Retrieved 2018-04-03.
External links
[edit]- ABC Alice Springs Mornings Radio Show about the scale model
- ABC Alice Springs: Solar system scale model extends from Finland to Yulara in the NT
- Akaan Seutu: Akaan aurinkokunnan pienoismalli sai naapuritähden Australiaan
- Akaaseen oma aurinkokunta (City of Akaa)
- Radio Sun: Toijalan keskustaan Aurinkokunnan pienoismalli
- Sydän-Hämeen Lehti: Aurinkokunnan pienoismalli päätyi Akaaseen
- Akaan Seutu: Akaa sai oman Aurinkokunnan
- Valkeakosken Sanomat: Aurinkokunnan pienoismalli mahtuu Toijalan ytimeen Archived 2018-04-07 at the Wayback Machine
- Sydän-Hämeen Lehti: Aurinkokunnan pienoismalli saa naapuritähden Australiaan
- Google Maps
- Android application at Google Play Store
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