Technosignatures' could help in search for alien life

Scientists are developing techniques to detect signatures from space in their search for alien life.
The Very Large Array (VLA) telescope, at the National Radio Astronomy Observatory (NARO) site in Socorro, New Mexico, will be used to constantly seek evidence of technosignatures.

A technosignature is a proxy for the existence of a technologically advanced, extraterrestrial civilisation, according to scientists at the Search for Extraterrestrial Intelligence (SETI) Institute in California.
These include things such as the chemical composition of a planet’s atmosphere, laser emissions or structures orbiting stars.
The VLA is a collection of 27 radio antennas – and one spare – which work together to effectively act as a single huge telescope.

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