An asteroid did kill the dinosaurs

Last updated 08:43 05/03/2010

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An all-star panel of researchers says it was the crash of a giant asteroid that killed off the dinosaurs - think you've heard that before? You're right.

In 1980, Louis Alvarez and his son Walter published a paper blaming the dinosaur extinction 65 million years ago on an asteroid impact. The probable crater was later found at Chicxulub, Mexico, and the idea gained wide scientific acceptance.

In the past few years, however, suggestions were made that the demise of the dinosaurs might have been caused by the eruption of volcanoes, known as the Deccan Traps, in India, or multiple asteroid impacts.

That prompted 41 geologists, paleontologists and other researchers to come together to review the data.

Their conclusion, published in Friday's edition of the journal Science: It was a giant asteroid striking Chicxulub that blasted a cloud around the world that led to the end of the dinosaurs.

The argument for multiple impacts isn't supported by worldwide data, and the Deccan eruptions actually began 400,000 years before the end of the dinosaurs, Kirk Johnson of the Denver Museum of Nature and Science said.

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- AP

77 comments
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Philistine   #77   10:24 pm Mar 10 2010

Pukeko, you have your head in the sand. The so-called "holes" in evolutionary theory are getting smaller by the day. As for your distain for the interpretation of evidence without an eye witness, well there goes forensics as court evidence. Wouldn't wnat to appear "arrogant" would we?

MB   #76   11:40 am Mar 08 2010

@DavidT #54 - How could I be ignoring the evidence if I hadn't heard that it set forth yet? Cheers though. I will look into that.

MikeM   #75   09:57 am Mar 08 2010

Better hope an asteroiod doesn't plow into codfish island and take out the kakapo!

GERMAIN   #74   04:39 pm Mar 06 2010

ummm, we still have crocodiles... oh, and chickens... oh yeah, and tuatara... oh, and the French...

Atram   #73   04:02 pm Mar 06 2010

Finally, after so many theories, an asteroid did kill the dinosaurs! I was a bit worried that they would be killed by something weird like a global winter or volcanic explosions...(which were all possibly cause by the asteroid)

Now, my doubts are cleared.

And Ben, there are dinosaurs...fossil records shows it!

MB   #72   01:21 pm Mar 06 2010

@jim #43 - Yeah, in a manner of speaking. It's certainly more plausible than the notion that everything that exists today by way of complete accident, that one species can magically transform into another species over time, that you and I are a fluke of nature, that we're actually just glorified monkeys, that 'survival of the fittest' is the governing law of the universe thereby rendering every law which protects the weak and every charity-based means by which we help the disadvantaged as void and that life as we know it is completely and utterly meaningless. Then, yeah..

@Arch #45 - Dinosaurs existed alright. The writer of Genesis obviously didn't feel the need to distinguish between them and other animals at the time.

@raimy #23 - Quite possibly, That is why the are Komodo dragons and tuatara today. Tuatara are interesting; according to science they existed "200 million" years ago! Imagine that! I didn't feel the need to evolve or anything! Not the mention The Coelacanth fish which was discovered in 1938 and was previously thought to have been extinct for 70 million years (Isn't science awesome Emma #48?). That also MIGHT be why we have legends (albeit unsophisicated ones) of dragons in early medieval times (the fire-breathing part I'm prepared to dismiss as exaggeration).

Adam's brother   #71   09:40 pm Mar 05 2010

It was a mate of mine! He tossed some rocks together into the same orbit and when the marble was big enough, began flicking some stones at it to see what happened when he hit it.

He's not sorry about the thunder lizards: reckoned they were a bit smelly and some of them had really bad manners and attitudes.

Pete   #70   06:15 pm Mar 05 2010

Not the case. Greenpeace rammed the asteroid with earth, on behalf of the dinosaurs, to protect mars.

ben   #69   06:09 pm Mar 05 2010

dont they know it was god?

Pukeko   #68   06:00 pm Mar 05 2010

Wow!! I would say that to be so sure about something allegedly prehistoric is the height of arrogance. Prehistoric surely indicates before there was a history/anything known or recorded concerning the issue. The point is this so called breakthrough, this astounding discovery is based on an interpretation of the evidence. Not the only interpretation, just one of at least 2 that exist. Evolution is so full of holes, contradictions, disagreements and other problems that it is in fact the poorest interpretation of the evidence.


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