Researchers Detect Traces of Spaceflight in Earth's Upper AtmosphereRecent scientific investigations have revealed that remnants of spaceflight activities are now detectable in Earth's upper atmosphere. Around 20 hours after a rocket stage entered Earth's atmosphere, the team recorded lithium levels nearly ten times higher than typical background values. The research emphasizes that the effects of increasing spaceflight activities on the upper atmosphere are not yet fully understood. The upper atmospheric layers play a crucial role in shielding the planet from harmful cosmic radiation. As space activities continue to evolve, understanding the environmental consequences of re-entering debris will be essential for protecting Earth's atmosphere.

Source: The Munich Eye February 19, 2026 23:24 UTC