DescriptionLspn comet halley.jpg Comet 1P/Halley as taken March 8, 1986 by W. Liller, Easter Island, part of the International Halley Watch (IHW) Large...
DescriptionLspn comet halley (cropped).jpg Comet 1P/Halley as taken March 8, 1986 by W. Liller, Easter Island, part of the International Halley Watch (IHW)...
1998-cropped.jpg File:Fuente de los Balones, en Querétaro.jpg File:Lspn comet halley.jpg File:Challenger explosion.jpg File:Tschernobyl 2013 1.jpg File:Photograph...
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