價格：免費
更新日期：2017-04-26
檔案大小：3.3M
目前版本：1.7
版本需求：Android 4.0 以上版本
官方網站：http://www.bchmob.com
Email：jeanyves.tremel@gmail.com
聯絡地址：12 rue Ferdinand Fabre 75015 Paris France
The Ptolemy Universe shows the solar system planets in five views :
1) Heliocentric : the copernicus view with the sun at the center
2) Geocentric : the ptolemy view with the earth at the center
3) Ecliptic : planets seen from earth
4) Retrograds : epicycloid of each planet. swipe for next
5) Dancing Venus and Mercury
Touch around the sun/earth and see the planets moving.
Use Start button to anime the solar system, and the slider to adjust the speed.
On Ecliptic view, a long press on stars or planets shows their name.
