: They cannot detect non-magnetic metals like gold, silver, or copper.
An app (APK) is only as good as the hardware inside your phone. Your Android device contains a small sensor called a , which power compass apps. While a mobile app can use this sensor to detect nearby magnetic fields (like a wall stud or a large piece of iron a few inches away), it has absolutely no connection to space satellites. The Danger of Downloading "Satellite Metal Scan" APKs
Checking for magnetic anomalies or localization of ferrous objects.
If an app claims “NASA satellite metal scan” or “underground gold detector,” it is , not real science.
: This official tool allows you to browse and download imagery from NASA's Earth-observing satellites. While it doesn't "scan" for a wedding ring, it helps professionals identify iron oxides and hydrothermal alteration zones linked to gold deposits.
Satellites in orbit use technologies like LiDAR, radar, and thermal imaging to study massive geographical shifts, track weather patterns, and map large-scale mineral deposits over miles of terrain. They do not possess the resolution or the technology to pinpoint a gold ring or a treasure chest buried a few feet underground.
: The Official NASA App does not include any metal scanning or treasure hunting features. It is strictly for space news, images, and live mission tracking.