Photon: History in Starlight

See the Past Through Starlight

Free · Designed for iPad. Not verified for macOS.

Photon turns the night sky into a journey through time. Every star you see is showing you the past. Its light may have travelled for years, centuries, or even longer before reaching Earth. Choose from 50 stars and discover when the light you see today began its journey and what was happening on Earth at that moment. EXPLORE 50 STARS Discover nearby stars, famous giants, supergiants, and some of the most extraordinary stars in the sky. RECEIVE THE PAST Photon connects each star's distance with a moment in Earth's history, turning light years into an intuitive journey through time. COSMIC TIMELINE Travel from the present day deeper into history as increasingly distant starlight takes you further into the past. STELLAR STORIES Explore astronomy, historical events, science, culture, technology, and civilizations connected to each moment in time. PHOTON NARRATOR Listen to cinematic narrated stories that connect a star's journey through space with life on Earth. 3D FIELD Explore stars spatially and experience their relative distance from Earth. SKY CAMERA Use your device to connect the Photon experience with the sky around you. Photon is designed as a calm, immersive stellar archive a place where astronomy and human history meet. All 50 stars and their stories are included for free.

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Improved App Store previews and screenshots to better showcase the Photon experience.

Version 1.0.1

The developer, ALI CAM, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    ALI CAM
    Size
    213.4 MB
    Category
    Education
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Ali Cam
  • Developer Website
  • Privacy Policy