Explore celestial objects with interactive star maps and detailed information. Identify constellations and planets. View historical and cultural facts. Set location-based sky views and track celestial events.
The app simulates the night sky from any location on Earth, past or future. It includes over 120,000 stars, celestial objects, and photos, with optional audio narration.
Play PopWords! to find words from a stream of letters in the Classic mode or use a single board of letters in Puzzle mode. Earn points for longer words and compete on leaderboards. Track progress and challenge others through Game Center.
Watch timelapse videos of celestial phenomena and Earth views. Play videos with synchronized background music. Connect to TV or use Apple TV for enhanced viewing.
Purchase pit passes for motorsports events before arriving at the track. View hundreds of tracks and events. Complete transactions with electronic ID verification and waiver execution. Present mobile pit pass at check-in to receive an armband.
Track TV episodes with iCloud sync across devices. View upcoming and missed episodes via Today widget. Receive notifications for new episode air dates. Browse all announced episodes and manage viewing progress.
Follow players with real-time highlights, score updates, and game statistics. Access and manage tickets for and Climate Pledge Arena events. Redeem public transit passes for games. Reserve parking for arena events.
Access real-time space news and the Astronomy Picture of the Day. Explore NASA's database for research and mission details. View Mars imagery from NASA rovers and track the International Space Station's location.
Track with real-time predictions and interactive maps. View orbits, identify the International Space Station, Hubble Space Telescope, and other satellites. Set location and time for accurate pass information.
Control heroes with unique abilities and weapons to defend against enemies. Unlock various types and customize defenses. Scavenge resources, upgrade heroes and towers, and level up to improve combat effectiveness.