About Astrophysics I
Astrophysics I is the first of a series of three educative applications in astronomy. This first part covers the solar system. More than 90 screens of astronomy on the solar system ! More than 40 animations to explain...
Astrophysics I is the first of a series of three educative applications in astronomy. This first part covers the solar system. More than 90 screens of astronomy on the solar system ! More than 40 animations to explain astrophysics, most in 3D. For teachers !! Connect your iPad to a video projector and show the animations to your students in classroom. List of topics: Introduction: - Reminder of mathematics, - Reminder of mechanical, - Coordinate Systems, - Time measurement. Gravity - Gravity, - The orbits, - The orbit elements, - Kepler's laws, - The Lagrangian points. The Solar System - Earth, - The Earth-Moon system, - The Earth's atmosphere, - Atmospheres, - Distance Scale, - Models of Solar Systems, - Asteroids, - Comets, - The planets. Constants - Physical constants, - Astronomical constants. References - Books, - Websites.
Version History - Fixed a bug with the display in Dark mode. 5.1 Apr 28 - fixed some bugs. - modernized interface, - update for iOS 26. 5.0 Apr 14 - Update for the new iPads pro 2018 - Add an animation, - General improvements. 4.0 01/24/2019 Bugs corrections. 3.7 03/22/2018 - Update for iOS 11. - Ready for iPhone X. 3.6 12/17/2017 - bug corrections, - Ready for iOS 11. 3.5 09/23/2017 - Bug corrections, - General improvements. 3.4 04/17/2017 - Fixed a bug in the evaluation option. 3.3.2 09/01/2016 - Bug on not native English language. - Bug in the return of some 3D-animations. 3.3.1 07/11/2016 - Bug corrections, - Interface improvements, - Improvements for iOS 9, - New descriptions. 3.3 07/09/2016 - Add Julian day in Time calculation, - Add some description of satellites of Pluto - Overall improvement, - Bugs correction. 3.2 11/03/2015 - correction of small bugs, - add some description, - add Enceladus in size comparison animation, - add animation on planet gravitations. 3.1 08/04/2015 - Update for iOS 8 - Add comets: 67P/Churyumov-Gerasimenko, and C/2013 A1 (Siding Spring), - new animations on the interior of the planets, - new 3D animation on gravitational resonance, - more illustration, - more descriptions. 3.0 12/27/2014 - Fixed small bugs - Description of Bode's law, - Added animations satellites of the planets. - Added phase of the planets in the ephemeris. 2.2 11/27/2013 - Design for iOS 7, - New animation on orbital resonance, - New documentations on planets, comets, and asteroids, - Overall improvements. 2.1 10/31/2013 - bugs fixed, - optimization on the 3D animation. 2.0.2 07/10/2013 - Correction of minor bugs, - Adding the names of planets in the animation comparing the sizes of planets. 2.0.1 06/20/2013 - New configuration of figures, - New table for ephemeris, - New animation of the Moon in 3D, - New animation on epicycle, - New options in the System Solar animation, - Improvement in the comet animation, - Overall improvement. 2.0 06/10/2013 - New screen on the duration of day throughout the year in the Earth section. 1.9 12/07/2012 - bug with iOS 5.1 fixed 1.8.1 11/30/2012 - iOS 6 support added, - iPhone 5 support added, - Adding a starry sky in some animations, - Animation on falling bodies more realistic, - General improvement. 1.8 10/17/2012 - Typo corrections, - New animation on comparison of the size of the natural satellites, - Performance improvement. 1.7 06/22/2012 - Improve 3D animation experience, - Add a section on orbit éléments. 1.6 04/23/2012 - Ready for the new iPad, - Add small objects in the solar system animation, . Halley comet, . Hales Bop comet, . Encke comet, . Bennet comet, . 2012 DA14 asteroid, . 1566 Icarius. - Improvement in comet animation. 1.5 03/28/2012 ☆ Overall improvement, ☆ Add section on the calculation of distance: - Earth circumference, - Earth-Moon distance, - Earth-Sun distance. 1.4 03/05/2012
Previous Versions
Here you can find the changelog of Astrophysics I since it was posted on our website on 2016-10-01 23:00:58.
The latest version is 5.1 and it was updated on 2026-06-21 12:40:10. See below the changes in each version.
Astrophysics I version 5.1
Updated At: 2026-05-26
Changes: Version History - Fixed a bug with the display in Dark mode. 5.1 Apr 28 - fixed some bugs.
- modernized interface,
- update for iOS 26. 5.0 Apr 14 - Update for the new iPads pro 2018
- Add an animation,
- General improvements. 4.0 01/24/2019 Bugs corrections. 3.7 03/22/2018 - Update for iOS 11.
- Ready for iPhone X. 3.6 12/17/2017 - bug corrections,
- Ready for iOS 11. 3.5 09/23/2017 - Bug corrections,
- General improvements. 3.4 04/17/2017 - Fixed a bug in the evaluation option. 3.3.2 09/01/2016 - Bug on not native English language.
- Bug in the return of some 3D-animations. 3.3.1 07/11/2016 - Bug corrections,
- Interface improvements,
- Improvements for iOS 9,
- New descriptions. 3.3 07/09/2016 - Add Julian day in Time calculation,
- Add some description of satellites of Pluto
- Overall improvement,
- Bugs correction. 3.2 11/03/2015 - correction of small bugs,
- add some description,
- add Enceladus in size comparison animation,
- add animation on planet gravitations. 3.1 08/04/2015 - Update for iOS 8
- Add comets: 67P/Churyumov-Gerasimenko, and C/2013 A1 (Siding Spring),
- new animations on the interior of the planets,
- new 3D animation on gravitational resonance,
- more illustration,
- more descriptions. 3.0 12/27/2014 - Fixed small bugs
- Description of Bode's law,
- Added animations satellites of the planets.
- Added phase of the planets in the ephemeris. 2.2 11/27/2013 - Design for iOS 7,
- New animation on orbital resonance,
- New documentations on planets, comets, and asteroids,
- Overall improvements. 2.1 10/31/2013 - bugs fixed,
- optimization on the 3D animation. 2.0.2 07/10/2013 - Correction of minor bugs,
- Adding the names of planets in the animation comparing the sizes of planets. 2.0.1 06/20/2013 - New configuration of figures,
- New table for ephemeris,
- New animation of the Moon in 3D,
- New animation on epicycle,
- New options in the System Solar animation,
- Improvement in the comet animation,
- Overall improvement. 2.0 06/10/2013 - New screen on the duration of day throughout the year in the Earth section. 1.9 12/07/2012 - bug with iOS 5.1 fixed 1.8.1 11/30/2012 - iOS 6 support added,
- iPhone 5 support added,
- Adding a starry sky in some animations,
- Animation on falling bodies more realistic,
- General improvement. 1.8 10/17/2012 - Typo corrections,
- New animation on comparison of the size of the natural satellites,
- Performance improvement. 1.7 06/22/2012 - Improve 3D animation experience,
- Add a section on orbit éléments. 1.6 04/23/2012 - Ready for the new iPad,
- Add small objects in the solar system animation,
. Halley comet,
. Hales Bop comet,
. Encke comet,
. Bennet comet,
. 2012 DA14 asteroid,
. 1566 Icarius.
- Improvement in comet animation. 1.5 03/28/2012 ☆ Overall improvement,
☆ Add section on the calculation of distance:
- Earth circumference,
- Earth-Moon distance,
- Earth-Sun distance. 1.4 03/05/2012
Astrophysics I version 4.0
Updated At: 2019-01-24
Changes: Jan 24, 2019 Version 4.0
- Update for the new iPads pro 2018
- Add an animation,
- General improvements.
Astrophysics I version 4.0
Updated At: 2019-01-24
Changes: 24 Jan 2019 Version 4.0
- Update for the new iPads pro 2018
- Add an animation,
- General improvements.
Astrophysics I version 4.0
Updated At: 2019-01-24
Changes: - Update for the new iPads pro 2018
- Add an animation,
- General improvements.
Astrophysics I version 3.3.2
Updated At: 2011-07-27
Astrophysics I version 4.0
Updated At: 1970-01-01
Changes: 24 de ene. de 2019 Version 4.0
- Update for the new iPads pro 2018
- Add an animation,
- General improvements.
Astrophysics I version 4.0
Updated At: 1970-01-01
Changes: 2019年1月24日 Version 4.0
- Update for the new iPads pro 2018
- Add an animation,
- General improvements.
Astrophysics I version 4.0
Updated At: 1970-01-01
Changes: 24 янв. 2019 г. Version 4.0
- Update for the new iPads pro 2018
- Add an animation,
- General improvements.
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