This kind of discovery would raise enormous questions - not just scientific, but existential, cultural, and philosophical. We'd need to process it carefully, communicate honestly with the public, and avoid jumping to conclusions about intent.
Whether it's abandoned tech, a probe, or something else entirely, the fact of its existence would change everything - not through panic, but by forcing us to rethink our place in the universe. How we handle that moment will say as much about us as it does about whatever made it.