This essay Asteroids has a total of 497 words and 3 pages.
The universe is a shooting gallery and earth is the bullseye. The earth is
always under threat of a doomesday asteroid that will wipe out civilization.
There are over one thousand asteroids traveling toward earth and only three
quarters are accounted for. Where are the other one forth? No one knows because
the government doesn't fund NASA astrologists enough to cover the astroids. Just
one impact could end civilization as we know it. No matter where it hits
everything would die, even bacteria. To give an estimate how much is spent on
asteroid detection. It is said to be less than the cost to operate a single
McDonald's franchise. Total disaster would occur no matter where the asteroid
hit. Land, sea it doesn't matter. Ocean impact would create a number of things.
First, a Tsunami(tidal wave) would be created on impact. The wave would be
hundreds for feet high traveling hundreds of miles per hour. It would start to
slow down crashing ashore through all coastal city. Then, finally wash up
hundreds for miles inland. " The mid-Atlantic Ocean impact ranging from 400
meters to 5 kilometers in diameter. This would generate a tsunami that would
sweep across the upper East Coast of the United States to the Appalachian
Mountains."(Gottschalk 1) The blast of the impact would equal a 300 gigaton
blast of T.N.T. Also, 2.4 seconds after impact, a small fireball with a
temperature of 5000'C would sweep across long island. A land fall strike would
cause total divistation. The asteroid would create a earth trembling impact
causing earth quakes around the world. The binding flash will show impact and
the crater would be twenty miles across. Then, a blanket of dust and debris
would blanket the earth and block the sun's light. This would occur for hundreds
of years and the climate would be disrupted. Global killer no matter where it
hits. The end of the world is only 28 years, 10 months, 19 days, 1 hour, 45
minutes, and 39 seconds away. An asteroid named XF11 is on route to hit earth
directly. October is the month and 2038 is the year. Discovered by Jim Scotti on
December 6, 1997 while looking at star with the Arizona Spacewatch Group. The
asteroid "is predicted to pass at a rather comfortable distance of about
600,000 miles (about 960,000 kilometers) in 2028," "reported Dr.
Donald K. Yeomans and Dr. Paul W. Chodas." (http://www.voicenet.com/~phycoid/XF11/1997XF11.html
1) Tim Scotti disagrees saying is a matter of cover-up for national security.
Spectulations go both ways, some say it's gonna hit others disagree. The last
lines of defense are either blowing it up or using nuclear power. The solutions
are to either destroy the asteroid or bounce it into another orbit. Nuclear
weapons being the first and only line of defense. Even though nuclear weapons
are forbiden in space by the Limited Test Ban Treaty of 1963 and the Outer Space
Treaty of 1967. Exeptions hopefully will be made. The bomb that will be used is
called the Neutron Bomb. It would create "standoff bursts" that would
change the velocity and the orbit of the asteroid.
Topics Related to Asteroids
Doomsday scenarios, Potentially hazardous asteroids, Asteroid, Spaceflight, Global catastrophic risk, James V. Scotti, 35396 1997 XF11, Asteroids in fiction, Asteroid Laser Ablation
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