Kawah Chicxulub: Perbedaan antara revisi
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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.2 |
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* [http://bbs.keyhole.com/ubb/download.php?Number=1226046 Numerous sinkholes (Cenotes) marked around Chicxulub crater.]{{Pranala mati|date=Februari 2022 |bot=InternetArchiveBot |fix-attempted=yes }} Opens in Google Earth
* [http://www.jpl.nasa.gov/news/features.cfm?feature=8 NASA JPL: "A 'Smoking Gun' for Dinosaur Extinction"] {{Webarchive|url=https://web.archive.org/web/20090504014710/http://www.jpl.nasa.gov/news/features.cfm?feature=8 |date=2009-05-04 }}, March 6, 2003
* [http://phobos.physics.uiowa.edu/~srs/2952_EXW/Addend9_EXW.htm Chicxulub, Crater of Doom] {{Webarchive|url=https://archive.
* [http://www.scientificamerican.com/article.cfm?id=doubts-on-dinosaurs''Doubts On Dinosaurs'' - Scientific American.]
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