File:Nebulea fig 2.jpg: Revision history

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29 December 2013

5 December 2013

  • curprev 15:3415:34, 5 December 2013Atheistig talk contribs 338 bytes +338 The Lagoon nebula is a cloud of gas and dust, about 60 light years in diameter. It is excited by the ultraviolet radiation of the hot stars that have recently formed within its bulk. (Horizons, Exploring the Universe, Seeds, plate 9, from Association ... [automatically checked]