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Alvarez hypothesis

en.wikipedia.org/wiki/Alvarez_hypothesis

The Alvarez hypothesis posits that the mass extinction of the dinosaurs and many other living ... The evidence for the Alvarez impact hypothesis is supported by chondritic meteorites and asteroids w...

Meteorite impact and the mass extinction of species at the ...

www.pnas.org/content/95/19/11028.full

Sep 15, 1998 ... Confirmation that a large meteorite impact in Mexico correlates with a ... Like all good hypotheses, the Alvarez impact hypothesis generated a ...

Evolution: Extinction: What Killed the Dinosaurs? - PBS

www.pbs.org/wgbh/evolution/extinction/dinosaurs/asteroid.html

Hypothesis: Asteroid Impact ... Then, when the dust finally settled, greenhouse gases created by the impact ... Evidence for the Asteroid Impact Hypothesis.

Study: Single Meteorite Impact Killed Dinosaurs - Live Science

www.livescience.com/1162-study-single-meteorite-impact-killed-dinosaurs.html

Nov 28, 2006 ... The dinosaur's extinction was triggered by a single large meteorite ... "The sample we found strongly support the single-impact hypothesis," ...

The oblique impact hypothesis and relative probabilities of lunar and ...

adsabs.harvard.edu/full/1984LPSC...14..631N

This hypothesis is furtherevaluated in the context of the subsequent discovery of a lunar meteorite. The oblique impact hypothesis is consistent with observations  ...

The Younger Dryas Impact Hypothesis - Scientific American Blog ...

blogs.scientificamerican.com/history-of-geology/httpblogsscientificamericancomhistory-of-geology20110727the-younger-dryas-impact-hypothesis/

Jul 27, 2011 ... Based on this discovery Firestone later developed as alternative explanation the meteorite hypothesis, according to him the hypothesis could ...

ALVAREZ ASTEROID IMPACT THEORY - Paleontology and ...

www.enchantedlearning.com/subjects/dinosaurs/glossary/Alvarez.shtml

This crater dates back to 65 million years ago, and is probably the site of the K-T meteorite impact. Evidence of K-T period tsunamis all around the Gulf of Mexico ...

How the Moon Formed: Lunar Rocks Support Giant Impact Theory

www.space.com/26142-moon-formation-giant-impact-theory-support.html

Jun 5, 2014 ... "The Giant Impact Hypothesis is very good in explaining most of the ... off the moon by cosmic impacts and landed on Earth as meteorites.

New evidence that cosmic impact caused Younger Dryas extinctions

phys.org/news/2013-08-evidence-cosmic-impact-younger-dryas.html

Aug 6, 2013 ... According to one hypothesis, a cosmic impact caused the climate to cool. ... Explore further: Absence of evidence for a meteorite impact event ...

Did a Comet Really Kill the Mammoths 12,900 Years Ago?

news.nationalgeographic.com/news/2013/09/130910-comet-impact-mammoths-climate-younger-dryas-quebec-science/

Sep 10, 2013 ... A proponent of the impact hypothesis, a geological consultant named ... Meteorite impacts can form spherules, but so do volcanoes, lightning, ...

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Alvarez Hypothesis - National Museum of Natural History - Dinosaurs

paleobiology.si.edu

... Alvarez Hypothesis: Origin and Evidence | Effects of the Asteroid Impact | Other ... Although iridium is rare in the crust, it is abundant in many meteorites and ...

Impact Theory

hoopermuseum.earthsci.carleton.ca

THE ALVAREZ HYPOTHESIS. (Impact Theory). The general ... The Alvarez pinned the cause of the extinction on the meteorite impact. This theory came to be ...

Meteorite Impacts - Utk

csep10.phys.utk.edu

Meteorite Impact Velocities ... a natural history museum exhibit concerning the event and recent ocean core sampling providing support for the K-T hypothesis).