03 Jun 2024
…”Discovered by Edmond Halley in 1714. The age of M 13 has revised to 12 billion years - nearly as old as the Milky Way galaxy itself. In 1974, the Arecibo radio telescope transmitted a message toward M 13, intended to communicate the existence of human intelligence to hypothetical extraterrestrials inside the cluster. The reasoning behind the selection of M 13 as the target for the message was that with a higher star density, the message had a greater chance of reaching a planet harboring intelligent life”…
Source: SkySafariPlus
Data Acquisition: TelescopeLive
M13
5 credit