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Third Grader's Question About Dinosaurs

 
 
Reply Sat 20 Dec, 2008 10:42 am
http://farm4.static.flickr.com/3294/2800897225_62a5463ce6_m.jpg

My third grade daughter is interested in dinosaurs. She is reading about dinosaurs. She wants to know how many years dinosaurs existed on Earth.
 
View best answer, chosen by wandeljw
gungasnake
 
  -1  
Reply Sat 20 Dec, 2008 10:44 am
@wandeljw,
The real answer is a few thousand or a few tens of thousands. A thousand years is a gigantic space of time.

0 Replies
 
Intrepid
  Selected Answer
 
  3  
Reply Sat 20 Dec, 2008 10:48 am
@wandeljw,
I think the number is about 165 million years if the estimate of them coming into existance is about 230 million years ago and if they died out 65 million years ago.
0 Replies
 
gungasnake
 
  1  
Reply Sat 20 Dec, 2008 10:53 am
http://www.cryptomundo.com/wp-content/trackscambodiastegasarussm.jpg
Intrepid
 
  1  
Reply Sat 20 Dec, 2008 11:11 am
@gungasnake,
Why no comment with your picture?
___________________________________________

The following is taken from the site where you obtained this photo....



"How could this have happened?

Did the prop crew of the Laura Croft movie pull off a prank, and restore the temple, placing onto this wall a dinosaur facade? If you will note, on the photos, the panel seems to be of a lighter shade of gray. Is this due to it being kept cleaner for tourists, or because this is a newly added panel?

Perhaps it is nothing more than a rhinoceros? There is speculation that at one time or another Cambodia had Indian, Javan, and Sumatran rhinos living in the country.

Or have Stegosaurs roamed Cambodia, less than 1000 years ago and Angkor’s master artists created a representation of one, on a temple?

How certain religious groups may wish to use this material to promote their belief systems is of no concern to me, as long as what they are pointing out is precise and without fakery. In this case, I am sincerely interested in securing tangible, scientific evidence via cultural artifacts of the rather unbelievable thought of dinosaur survival, if it exists. If it is a hoax, I want to pursue that to that end result, too."

http://www.cryptomundo.com/wp-content/watstegosaurus.jpg

eoe
 
  1  
Reply Sat 20 Dec, 2008 12:49 pm
One of my fondest childhood memories was getting my first library card and spending hours looking up and reading books on dinosaurs. I was about eight. Dinosaurs and Greek gods and goddesses.
0 Replies
 
CalamityJane
 
  1  
Reply Sat 20 Dec, 2008 01:06 pm
All kids that age are mesmerized by Dinosaurs - my daughter was too around
that age, and we have plenty of books about it here, and we went to the museum
of nature and history to see them "alive".

Wandel, check out Amazon for books and other Dinosaur related things. Annie
will love it!

0 Replies
 
wandeljw
 
  1  
Reply Sat 20 Dec, 2008 03:17 pm
Thank you, gungasnake, intrepid, eoe, and CJane!

(Annie selected Intrepid's post as the best answer. A2K gave Intrepid a special Ribbon! Smile )
Intrepid
 
  2  
Reply Sat 20 Dec, 2008 04:39 pm
@wandeljw,
Thank you, Annie. I hope that your curiosity and enthusiasm to learn stays with you throughout your life.
0 Replies
 
gungasnake
 
  -1  
Reply Sat 20 Dec, 2008 09:22 pm
@Intrepid,
Quote:
The following is taken from the site where you obtained this photo....


I just did a google search on 'cambodia stegosaur' and took the first one which came up; there's lots more out there:

http://www.bible.ca/tracks/tracks-cambodia.htm

Quote:

The idea that the carving may have been added recently is simply not possible for at least a half-dozen reasons.

1. Patina is still obvious in the recesses.

2. The depth of relief on the carvings that cover every square inch of this column, is more than half an inch. Removing the imagined "original" carving would have left a recessed surface. Then, carving the stegosaur on the recessed surface would require still deeper recesses. The above photograph clearly demonstrates that the carving is not recessed. It is flush with the other carvings. Since the plates on the back of the stegosaur protrude from the recessed background at least half an inch, it would not be possible to add them to the background by subsequent carving. The plates are an integral part of the rock surrounded by a recessed, patina covered background.

3. There is approximately 40 feet of overburden that would have been displaced in order to replace the entire block.

4. The blocks are held together, not with mortar, but with iron "staples" in the shape of a capital "I" typically about 8 inches long, 1.5 inches wide and 3/8 of an inch thick. An inset in the shape of the staple was carved into the surface of two adjoining blocks, across the abutment, one end in one block and the other end in the other. With the staple in the shaped recess, the next tier of blocks holds the staple in place. They are used horizontally and vertically.

5. It may sound presumptuous, but I am trained in petrology. I know rocks. If someone had altered this rock, years after the original carvings, I would see it immediately. It would also be obvious to other experts who have carefully examined this carving (documented below). I can tell you without the slightest doubt, this carving is not modern, it is contemporary with the other carvings of Ta Prohm.

6. It should also be mentioned that the mind-set in Cambodia is very different form ours. The people are still greatly intimidated by governmental authorities. The brutal execution millions for almost any excuse, is vivid in the memory of virtually all adults in this country. Some of the same government officials responsible for the slaughter of perhaps 1/4 of the population are still in power today in this communist dictatorship. Consider this in connection of the fact that dozens of federal police with AK 47's patrol the ruins day and night, daring anyone to deface or take "souvenirs." It is simply not credible to imagine pranksters, defacing and re-carving these "sacred" temples, which are still actively used today for Hindu and Buddhist idol worship.



0 Replies
 
gungasnake
 
  0  
Reply Sat 20 Dec, 2008 09:28 pm
Stegosaur petroglyph at Agawa Rock, Lake Superior:

http://www.nlmotel.com/images/pictograph.jpg

Amerind oral traditions describe Mishipishu (the stegosaur) as having a sawblade back, red fur, and a "great spiked tail" which he used as a weapon. The image above shows the dorsal spikes as do other Mishipishu glyphs . The horns were added long after the animal was gone by Indians who habitually touched these glyphs up every few decades when they appeared in need of it.

Lewis and Clarke noted that Indian guides were in mortal terror of Mishipishu glyphs along the Mississippi river. The glyphs were originally warnings, saying "Caution, one of these lives here".
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gungasnake
 
  0  
Reply Sat 20 Dec, 2008 11:12 pm
http://www.rae.org/sanilac.html

Quote:

The Michigan Historical Museum tells of the legendary Me-she-pe-shiw, the "underwater panther" that was a powerful, malicious spirit in the form of a horned mountain lion with a spiny back. It lived in lakes and caused storms by thrashing its tail. We wanted to photograph the petroglyphs that depicted this creature.

0 Replies
 
gungasnake
 
  0  
Reply Sat 20 Dec, 2008 11:15 pm
http://writersnoose.mu.nu/archives/005418.html

Quote:

As some of the meanings of the pictographs are not known, it is believed that the image in the lower right depicts a canoe carrying people across to the Rock. The larger image above the canoe figure is believed to be that of a Great Water Lynx, termed Mishipashoo in Ojibway. Native legends say that this water spirit inhabits large bodies of water, like Mazinaw Lake. Natives would offer tobacco to this spirit before embarking on a journey across such waters. The tobacco was offered with a prayer to appease this spirit with the hope that it would not whip up itsgreat spiked tail [/size]and tip their canoe.
Shirakawasuna
 
  1  
Reply Wed 31 Dec, 2008 12:45 pm
@gungasnake,
I guess when you take carvings and paintings as a good reason to believe the fantastic animals actually exist, your lack of reasonable evidence is meaningless. Do you go the whole way and believe in all the fantastic creatures you can interpret from ancient artistry, or just the ones that confirm your archaic fantasy-world?

I'm still waiting for your rationalization of why the fossil record's order matches the phylogenies generated from independent data.

Keep up the interest, wandelj! There's a whole lot of other interesting things to learn about dinosaurs! Perhaps you should teach her that some tyrannosaurs had feathers as juveniles, belying their relation to birds. Even a tyrannosaur can look pretty cute covered in down Wink.
0 Replies
 
 

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