# Astrophysics II

> Reference

Canonical page: [https://chrome-stats.com/d/id525011116](https://chrome-stats.com/d/id525011116)

## Overview

- **ID:** `id525011116`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Xavier Daxhelet
- **Category:** Reference
- **Rating:** 4.30 / 5 (6 ratings)
- **Version:** 5.1
- **Last updated:** 2026-04-28
- **First published:** 2012-07-25
- **Size:** 68 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/astrophysics-ii/id525011116)
- **Website:** [http://www.kromasoft.com](http://www.kromasoft.com/)
- **Privacy policy:** [https://storage.googleapis.com/privacypolicie/PrivacyPolicies.html](https://storage.googleapis.com/privacypolicie/PrivacyPolicies.html)

## Description

Astrophysics II is the second of a series of three educative applications in astronomy. This second part covers the stars. 
More than 60 screens of astronomy on the solar system ! 
More than 25 animations to explain astrophysics, most in 3D. 

For teachers !! Connect your iPad with a video projector and show the animations to your students in classroom. 

List of topics:

Light and Matter:
- Electromagnetic Radiation,
- Light Radiation,
- Matter,
- Light-matter interaction,
- The Dopplet Effect,
- Telescopes.
- Radio telescopes.

Stellar Systems
- Constellations,
- Distance Measurement of Stars,
- Multiple Systems,
- Nebulae,
- Star Cluster.

Life of Star
- Star Formation,
- Physics of Star,
- Nucleosynthesis,
- Evolution of Stars,
- Wolf-Rayet Stars,
- Cepheids,
- Novae,
- Supernovae,
- Black Holes, 
- Neutron Star, 
- Planetary Nebulae.

Constants
- Physical constants,
- Astronomical constants.

References
- Books,
- Website.

## Rankings

- #422,207 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id525011116)