# Chandra 20 Years & Beyond

> Interactive X-ray astronomy image explorer showcasing cosmic discoveries. (iPhone/iPad app by Smithsonian Institution.)

- Source: https://appshunter.io/ios/app/chandra-20-years-and-beyond/id1476074967 (this page in markdown: same URL + `.md`)
- Developer: [Smithsonian Institution](https://appshunter.io/developer/370564865)
- Category: Education
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 9.0 · 98 MB
- Languages: American English
- Released: 2020-11-24
- Data updated: 2026-09-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/chandra-20-years-and-beyond/id1476074967/reviews.md

## What is Chandra 20 Years & Beyond?

CHANDRA SCIENCE: WONDROUS OBJECTS! This is the Chandra Extreme, an image explorer into the past two decades in which Chandra has made profound discoveries and contributed invaluable information about the cosmos and the wondrous objects within it. 
PLUS, Future updates of Chandra Extreme is a front seat window into the next years of images produced from solving the mysteries of the Universe.

• Move between different wavelengths of each object, along the touch slider
• Composite, Xray, Optical and other wavelengths may be featured.
• 11 Photo Albums
• Watch Chandra Films
• Explore Chandra spotlighted images
• View captions for objects
• Pinch Zoom into bigger images
• Share images

## Key features

- Explore cosmic objects across wavelengths
- View 11 photo albums
- Watch Chandra films
- Zoom into detailed images
- Share images
- Read object captions


## Frequently asked questions about Chandra 20 Years & Beyond

### What is Chandra 20 Years & Beyond?

Chandra 20 Years & Beyond is an educational app that allows users to explore images and data from the Chandra X-ray Observatory's discoveries over the past two decades. It features interactive elements to view different wavelengths and learn about cosmic objects.

### What kind of content can I find in Chandra 20 Years & Beyond?

You can explore 11 photo albums, watch Chandra films, view spotlighted images, and read captions for various cosmic objects. The app allows you to switch between composite, X-ray, optical, and other wavelengths for each object.

### Is Chandra 20 Years & Beyond free to use?

Yes, Chandra 20 Years & Beyond is completely free to download and use. There are no in-app purchases or subscription fees required to access its content.

### What devices is Chandra 20 Years & Beyond available on?

Chandra 20 Years & Beyond is available for iPhone, iPad, and iPod touch devices. It is designed to run on Apple's iOS operating system.

### How often is Chandra 20 Years & Beyond updated?

The app was last updated on August 3, 2021, to version 3.1. Future updates are planned to include new images and insights into the universe's mysteries.

### What is the age rating for Chandra 20 Years & Beyond?

Chandra 20 Years & Beyond has an age rating of 4+. This indicates it is suitable for children and adults interested in learning about space and astronomy.

### Does Chandra 20 Years & Beyond have ads?

No, Chandra 20 Years & Beyond does not contain advertisements. It provides an uninterrupted educational experience for users interested in astronomy.

### Can I share images from Chandra 20 Years & Beyond?

Yes, the app allows you to share images you find interesting with others. This feature enables users to easily share their discoveries and favorite cosmic objects.

## Version history (last 3 releases)

### 3.1 — 2021-08-03

Polished up Chandra Extreme with bug fixes and performance improvements.

### 3.0 — 2020-11-30

UPDATE: Fixed minor bug issues for IOS 14 users

### 1.0 — 2020-11-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*