Astro Viewer

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Everyone
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Content rating
Everyone
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About this app

Astro Viewer(Cosmos Explorer): The Universe in Your Pocket!

Unveil the mysteries of the cosmos without language barriers!
Cosmos Explorer is your ultimate gateway to the universe, powered by NASA's vast image archives and curated astronomical catalogs. Whether you are a student, an educator, or a space enthusiast, explore the wonders of space like never before.

🚀 Key Features

🌍 Break Language Barriers

Search in Any Language: Type "Andromeda" in Korean, Japanese, French, or any other 59 languages. Our smart engine searches NASA's database in English and delivers the results to you.

Auto-Translation: Instantly read descriptions of galaxies, nebulae, and black holes in your native language.

📚 Educational & Bilingual Tools

Original vs. Translated Toggle: With a single tap, switch between the translated description and the original English text. Perfect for learning astronomical terms in English!

Detailed Metadata: access in-depth technical data including photographer credits, NASA IDs, and specific celestial keywords via the detailed info sheet.

đź”­ Vast Astronomical Library

NASA Archive Integration: Access thousands of high-resolution images directly from NASA.

Curated Catalog: Browse a hand-picked selection of the most famous celestial objects (like M31, M42) even without searching.

Smart Filtering: We filter out administrative photos to focus purely on stunning celestial imagery.

📸 Save & Share the Wonder

High-Res Downloads: Save your favorite space wallpapers directly to your gallery.

Share with Context: Share images with friends and family via social media. The shared text adapts to your selected language mode (English or Translated).

✨ Immersive Experience

Interactive Viewer: Zoom, pan, and explore every detail of the stars.

Dark Mode UI: A sleek, dark-themed interface designed to minimize eye strain and enhance the viewing experience of space imagery.

🌟 Why Astro Viewer(Cosmos Explorer)?

The universe is vast, but exploring it shouldn't be complicated. Cosmos Explorer combines the scientific depth of NASA with the accessibility of modern translation technology. It’s not just a gallery; it’s a learning tool that fits in the palm of your hand.

Download Astro Viewer today and start your journey to the stars!
Updated on
Feb 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Committed to follow the Play Families Policy

What’s new

The revised version of the app now features astronomical images sourced not only from NASA but also from ESA (European Space Agency) and ESO (European Southern Observatory).
Content rating
Everyone
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App support

About the developer
Heebok Lee
ai4emotion@gmail.com
878 S 200 E Farmington, UT 84025-2101 United States

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