Talk:Messier 5
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Why No Link to Hertzsprung-Russell diagram?[edit]
Surely anyone who is reading an article about Messier 5 would be interested in the Hertzsprung-Russell diagram at https://commons.wikimedia.org/wiki/File:M5_colour_magnitude_diagram.png but I see no link. If no one explains why I shouldn't I shall add a link, possibly under "See Also"
Old Enough and Large Enough For Civilization?[edit]
At an average star age of 13 billion years (three times our suns age) and with at least 100,000 stars, not to mention the extremely close relative proximity of ME stars to each other, Messier 5 seems like a possible site for current or past interstellar civilization. Are there any articles about SETI or other similar ventures examining this region?
Sean7phil (talk) 17:58, 12 May 2009 (UTC)
- I doubt it. A message was sent to M13 in 1974, but it is very impractical to send a message to any star cluster that will take ~25 THOUSAND years to receive it. -- Kheider (talk) 15:34, 14 June 2010 (UTC)
- The low abundance of heavier elements in a globular cluster probably means it probably didn't form many planets. In addition, the close proximity of the stars to each other also means that planetary systems are much more likely to be disrupted by close encounters with other stars.[1] It's not a very hospitable place for a civilization. Regards, RJH (talk) 03:02, 13 April 2012 (UTC)