'Nuclear Winter' defined
By: Gunter Chang
The term and theory of "nuclear winter" was popularized in 1983 by Carl Sagan and associates stemming from a scientific paper, "Global Atmospheric Consequences of Nuclear War".Written by R. P. Turco, 0. B. Toon, T. P. Ackerman, J. B. Pollack and Carl Sagan, this...
By: Robin Hussey
While riding in a car with two paleontologists and one young budding paleontologist, believe it or not this conversation took place and was hotly debated. "What is your favorite kind of dinosaur?" Of, course the real question posed was what was the most ferocious...
Is Space Travel to the Planet Mars too Dangerous
By: Morgan Carlson
With not even the orbit of our planet or the surface of the Moon successfully colonized it is still far too early to consider travel to Mars. Factoring out insufficient funds, technology, and scientific unknowns it is still far too early to consider the manned...
Mars History Manned Space Flight Scientists Doctors Iss Astronauts Trip Vehicle
By: David Brown - 226423
Humans are a very interesting and challenging people. God created humankind to do everything possible to protect His creation, the Earth. Yet, at the same time, God also created the stars and the Heavens. The argument is this: with so many stars, planets, galaxies and...
Is Human Space Travel to the Planet Mars too Dangerous
By: Brad Smith - 428492
Earth, our home, has nursed our species of humans for untold years & now, in the last 200 years or so we as a species are maturing at an ever accelerated rate, (knowledge doubles every few years). Just like a toddler, who first crawls, then...
How seismic events are located
By: Kevin R Newell
How Seismologists Locate Seismic Events.So an earthquake has happened but where has it came from? We need to know this information so we can see how many and who could be in any trouble. Also locating where it came from can tell us if...
By: Cody Hodge
When I first heard about the whole going green movement, I thought it was just a bunch of baloney. I kept on thinking it was all about reusing shoes for playgrounds, and taking all your vegetable waste and turning into energy for your car. Good...
An overview on time standards based on Earth's rotation
By: Chris Webber
Sunrise to sunset: the most basic of time references. Light is essential to human activity, and so for early man hunting and gathering were daytime pursuits. For very basic timekeeping, little more was required; when the sun rose it was time to eat and begin...
The case for respecting the Earth
By: Laurie Childree
The Earth provides for us with food, water and even natural shelters. What do we do for it? We take from it without thinking of the consequences and give it back our trash. Instead of taking it for granted and assuming it will always be...
The basic concepts and fundamentals of geography
By: Eric Goudie
Geography is essentially the study of our planet and how humans live on it. It can be divided into two major branches, Physical Geography and Human Geography, though both halves of the field are closely inter-related.Most students begin their studies in Physical Geography. Physical...

 

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