"Ten Notable Apocalypses That (Obviously) Didn’t Happen", Smithsonian magazine, November 12, 2009. Luettu 2009-11-14. Archived from the original on elokuu 6, 2017. “The New York Times reported that the noted French astronomer, Camille Flammarion believed the gas “would impregnate that atmosphere and possibly snuff out all life on the planet.””
10 failed doomsday predictionsmsnbc.msn.com. ”History has countless examples of people who have proclaimed that the return of Jesus Christ is imminent, but perhaps there has never been a stranger messenger than a hen in the English town of Leeds in 1806. It seems that a hen began laying eggs on which the phrase "Christ is coming" was written. As news of this miracle spread, many people became convinced that doomsday was at hand — until a curious local actually watched the hen laying one of the prophetic eggs and discovered someone had hatched a hoax.” Viitattu 12.11.2009.
newscientist.com
space.newscientist.com
Schröder, K.-P; Smith, R.C.: Distant future of the Sun and Earth revisited. Monthly Notices of the Royal Astronomical Society, , 2008. vsk, nro volume 386, issue 1, s. 155. doi: 10.1111/j.1365-2966.2008.13022.x, bibcode: 2008MNRAS.386..155S. Artikkelin verkkoversio. Viitattu 5.8.2012. (englanniksi) (Arkistoitu – Internet Archive)
Zick, Michael: Handbuch für Wahrsager. bild der wissenschaft, 2009, nro 10, s. 77. Artikkelin verkkoversio (PDF). Viitattu 16.10.2010. (saksaksi)[vanhentunut linkki]
Zick, Michael: Handbuch für Wahrsager. bild der wissenschaft, 2009, nro 10, s. 76-77. Artikkelin verkkoversio (PDF). Viitattu 16.10.2010. (saksaksi)[vanhentunut linkki]
smithsonianmag.com
"Ten Notable Apocalypses That (Obviously) Didn’t Happen", Smithsonian magazine, November 12, 2009. Luettu 2009-11-14. Archived from the original on elokuu 6, 2017. “The New York Times reported that the noted French astronomer, Camille Flammarion believed the gas “would impregnate that atmosphere and possibly snuff out all life on the planet.””
Schröder, K.-P; Smith, R.C.: Distant future of the Sun and Earth revisited. Monthly Notices of the Royal Astronomical Society, , 2008. vsk, nro volume 386, issue 1, s. 155. doi: 10.1111/j.1365-2966.2008.13022.x, bibcode: 2008MNRAS.386..155S. Artikkelin verkkoversio. Viitattu 5.8.2012. (englanniksi) (Arkistoitu – Internet Archive)
