Have interstellar meteors hit the Earth?

Exploring the impact of invasive species on ecosystems and the hypothetical scenario of advanced aliens invading Earth. Curiosity about samples from distant stars and exoplanets, and the possibility of interstellar meteors hitting Earth. Discussing the retrieval of fragments from a meteor potentially hitting the ocean, challenges involved, and skepticism from experts. Analyzing the evidence for interstellar meteorites, their composition, and isotopes. Exploring uncertainties surrounding the origin and accuracy of measurements. Discussing openness to new discoveries and anticipation for encounters with aliens.