Asteroid App makes use of Nasa's NEoWs Api “A RESTful web service for near earth Asteroid information” You can see an example for it here https://api.nasa.gov/neo/rest/v1/feed?start_date=2015-09-07&end_date=2015-09-08&api_key=DEMO_KEY

• Display the list of asteroids and filter them by (week-day)
• Display the photo of the day
• Click on asteroid and know more information about it

• Recycler View
• Retrofit library for Restful Api requests
• Room database
• Repository pattern
• Caching
• Livedata and data binding