
About
Explore the universe's earliest light with real cosmic microwave background data. Pan across the oldest light in the universe, switch between satellites, and observe shifts in frequency bands. This educational app brings real science and cosmic history to your mobile device.
What's New in First Light
1.1.0
July 10, 2026
- Added an Intro Walkthrough to explain a bit more about what you're seeing when you first arrive
User reviews
FAQ
What is First Light: Cosmic Viewer?
First Light: Cosmic Viewer is an educational application that allows users to explore the cosmic microwave background radiation using real data from space missions like COBE, WMAP, and Planck. It offers an immersive experience where you can pan across the universe and observe shifts by changing frequency bands.
What learning methodology does First Light: Cosmic Viewer use?
The app employs an experiential learning methodology by allowing users to directly interact with and visualize complex scientific data. This hands-on approach helps users grasp concepts related to the early universe and cosmology through exploration and observation.
How does First Light: Cosmic Viewer track user progress?
First Light: Cosmic Viewer does not currently offer explicit progress tracking features. Its focus is on providing an immersive and educational exploration of cosmic data, allowing users to freely navigate and learn at their own pace.
Does First Light: Cosmic Viewer offer any certifications?
No, First Light: Cosmic Viewer does not provide any formal certifications. It is designed as an educational tool for personal learning and exploration of scientific concepts related to cosmology and the early universe.
What devices does First Light: Cosmic Viewer support?
First Light: Cosmic Viewer is currently supported on iPhone devices. The app's interactive features are optimized for the mobile experience on this platform.
How often is First Light: Cosmic Viewer updated?
The app was last updated on June 18, 2026, with version 1.0. Given its recent release, users can expect future updates to potentially introduce new features or data.
What is the age rating for First Light: Cosmic Viewer?
First Light: Cosmic Viewer has an age rating of 4+. This indicates that the content is considered appropriate for children aged four and older, making it suitable for a broad audience interested in space and science.
Does First Light: Cosmic Viewer have ads?
No, First Light: Cosmic Viewer is ad-free. Users can enjoy an uninterrupted educational experience without any advertisements interrupting their exploration of cosmic data.





