Sea Rex 3D swims into IMAX!

Explore an amazing underwater universe inhabited by larger-than-life creatures that ruled the oceans millions of years ago in Sea Rex 3D – now showing in HMNS IMAX!.

Mosasaurus hoffmannii skeleton on display at the
Maastricht Natural History Museum,
The Netherlands

Guided by Georges Cuvier, considered by many to be the father of paleontology, viewers learn about predators such as the ichthyosaur, plesiosaur, and mosasaur. These ancient creatures could grow up to 50 feet and could weigh as much as 15 tons.

Learn about the Triassic, Jurassic, and Cretaceous eras and how life evolved in the deep oceans of Earth. See a mosasaur battle the Great White Shark’s ancestor and witness the mating habits of the plesiosaur.

You’re going to love the film’s time line of the history of the Earth, showing the evolution of the first single cell organisms to the mammals that evolved and began to walk on land. What I found fascinating is the amount of time each of the dinosaurs ruled the world in comparison to humans. Dinosaurs walked the earth for over 160 million years, while humans have only been around for about 200,000 years comparatively.

Evidence of giant marine predators were first discovered in a mine shaft in the Dutch city of Maastricht in 1770, when the partial skull of a Mosasaurus hoffmannii was uncovered. Sea Rex 3D takes you on a journey from the creation of earth until the meteor that killed off 95% of life 65 million years ago. Don’t miss this incredible story about our planet’s history and the monsters that ruled the sea for over 120 million years.

Can’t see the video? Click here.

Sea Rex 3D is now showing in the Wortham IMAX Theater. See show times on our Film Schedule.

If All the Dinos Died on One Terrible Weekend – Where are All the Bodies?

asteroid
Creative Commons License photo credit: goldenrectangle

According to the Impact Theory, a rock from space smashed into the earth, threw up a huge dust cloud, chilled the atmosphere and sent down acid rain.  All the dinosaurs died immediately all over the globe or in a week or so.

So….where are the bodies of the victims?

Probability of Becoming a Fossil: 0%     or    100%

0%
If you die on a high plateau or a grassy meadow or on the average forest floor, far from the influence of river floods, your bones will get chewed, cracked, smashed and digested by scavengers. The remnants will get dried up and will flake away to nothing under the sun. Or, if the ground is wet, worms and grubs and fungi will destroy your osseous remnants.

That happens to most dead bodies, most spots, most of the time. Or…

100%
What if you’re lucky enough to die in a depositional basin, where yearly floods bring in layers of sand, silt and mud, and where lake bottoms accumulate blankets of sediment all the time. A place where huge sand bars develop in streams and rivers….

….then the possibility that some of your bones will get buried and fossilized rises to close to 100%.

Dino Extinction Supposedly Hit While Montana Was Getting Sediment
At the time of the Great Dino Die-Off, no sediment was being laid down in most places in the world. But in Montana’s Cretaceous coal fields, there were many swampy lakes and sluggish rivers, locales where mud and sand was being carried in. This depositional activity seems to have continued right through the end of the Cretaceous and beginning of the next Period, the Tertiary (“Age of Mammals”).

In fact, field geologists have a hard time telling where the Cretaceous mud ends and rhe Tertiary mud begins.

20090222_9115
Creative Commons License photo credit: etee

If the Impact Theory is right, millions of Triceratops carcasses littered the landscape. Tens of millions of duck-bill dino bones also covered the ground. And….there were no big scavengers to crack the bones. The average dino body would last far longer than usual. Some of the impact victims should have had a high probability of being buried in the mud at the Impact Layer, the sand and silt and mud deposited right after the rock from the sky struck.

Total number of dino bones found right at the Impact Layer – 00.00.

That’s  one reason why I am an Impact Skeptic. You have to do some special pleading to explain the lack of dino bones at the impact layer. You could argue that soil acid dissolved the bones. Or that for a hundred years there was no new mud, no new sand, no new silt.

Could be.

Still, I like to begin with a geological peshat (first impression): When I scan the actual facts on the ground, there is no evidence whatever of a sudden massive death of dinosaurian multitudes at the Impact Layer.

I dinosauri a Cremona
Creative Commons License photo credit: Simone Ramella

Evidence for a Long, Slow Disaster
There are clues that indicate the dino ecosystem was deteriorating long before the impact. The diversity among big, multi-ton dinos went way down about 5 to 10 million years before the end. In the Latest Cretaceous (Lancian Age) in most places in Montana, there are only two common big dinos – either Triceratops or the duckbill Edmontosaurus. It was a dino-monoculture.  At 76 million years ago diversity was much higher.

Serial Killer in Deep Time
The biggest reason I’m a skeptic is the victim profile. When the dinos finally went extinct, salamanders, frogs, pond turtles, river gators all survived and thrived. So did most small terrestrial species. That pattern holds for six other mass extinctions – beginning at 285 million ears ago, long before the first dino. And the pattern is obvious in the last extinction at the end of the Ice Age, 11,000 years ago.

Impact Theory Fails to Predict the Correct Victim Profile
Sudden chill and acid rain will wipe out salamander-oids and frog-oids and turtle-oids. And hit big, active animals far less severely.

The wrong animals died.

Read about my dinosaur extinction theory in an early blog post.

When you wish upon a shooting star…it’s probably a meteoroid

Perseid Meteor 8/12/08
Creative Commons License photo credit: aresauburn™

The Perseid Meteor Showers, which occur every year around this date, are caused by the comet Swift-Tuttle. The comet itself was discovered in 1862, and could be seen again with binoculars in 1992. Calculations have shown that the comets witnessed in China in 188 A.D. and 69 B.C. were most likely the same comet. It is suspected that the comet should pass close enough to the Earth in 2126 to be visible to the naked eye (looking forward to that!) The comet should pass with in one million miles of the Earth in 3044 (a near miss.) The comet is approximately six miles across, which is the estimated size of the comet that killed off the dinosaurs millions of years ago.

Although the comet itself is currently far away, the Earth passes through the comet’s debris every year. The majority of the debris (meteoroids) is pea- or marble-sized and enters Earth’s atmosphere at roughly 133,200 mph (which is roughly 2,220 times faster than a car on the freeway, and 12,100 times as fast as I can run at top speed.) As the particle enters the atmosphere, it compresses the air in front of it, which heats it up. The temperature rises to about 3,000 degrees Fahrenheit, which vaporizes the meteorite, creating the effect known as a “shooting star.”

Although a few of the meteorites could be seen last night and a few more tomorrow night, the best viewing time is in the predawn hours following tonight. In honor of such a spectacular natural occurance, the George Observatory in Brazos Bend Park will stay open from 9 p.m. tonight until 5 a.m. tomorrow morning

 This informational video was made for the 2008 Perseid Meteor Shower
The dates are slightly off, but all the other information is correct

Wherever you’re watching, you can use Twitter hashtag #meteorwatch to follow the action and ask questions!