noun
technosignature; evidence of past or present technology
Scientific term used in astrobiology and SETI for observable signs of technology, such as radio signals or atmospheric pollutants, that indicate the existence of technological civilizations.
天文学者たちは、系外惑星の大気からテクノシグニチャーを探している。
Astronomers are searching for technosignatures in the atmospheres of exoplanets.
電波望遠鏡で受信した異常な信号は、テクノシグニチャーの可能性がある。
The anomalous signal received by the radio telescope could be a technosignature.