Mars Photos Android app written in Kotlin using Jetpack Compose

I've just finished this Mars Photos app codelab:

https://developer.android.com/courses/android-basics-compose/unit-5

to create an app that retrieves data from the internet - in this case, the app retrieves a list of URLs of NASA photographs of the surface of Mars. Each photograph is displayed in a scrollable grid on the phone display:

See the code here:

https://github.com/annedawson/MarsPhotos

After reviewing the material covered so far, I will continue on to practise projects, then tackle the next topic, apps and databases.