Comet Hale-Bopp
Comet Hale-Bopp (formally designated C/1995 O1) is a comet that was perhaps the most widely observed of the 20th century and one of the brightest seen for many decades.
| Links | https://en.m.wikipedia.org/wiki/Comet_Hale–Bopp |
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 | Élet és Tudomány LXVIII/51-52. | Magazine |
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