Did Life on Earth from Outer Space?

Controversy that the source of life on Earth originated from outer space came back in the meeting of the American Chemical Society, last week. Scientists United States Space Agency (NASA) show that the amino acid, a simple unit of life, can survive the intense heat and shock waves that are released in comet collisions with Earth.
Comets, giant snowballs of ice and dust, are known to have carried organic chemicals and water to the early Earth. (Picture from: http://www.mirror.co.uk/)
They expressed a combination of water, energy, and amino acids are bonded together can cause a chemical reaction and creates a protein. Some comets, asteroids, and meteorites striking the Earth many times in the past can bring these simple organic material.

Comets are composed of a giant ball of frozen gas, ice, dust, and stones up to 10 miles in diameter. The comet orbits the sun with a trajectory beyond the farthest planets, but occasionally break away from the swivel seat and slid into the solar system.

Evidence suggests life on Earth began about 3.8 billion years ago, when the planet was beaten collision damaged a number of large comets and asteroids. Prior to that time, the condition of the Earth are believed to have been too hot for the formation of life. This was evidenced by the presence of water or at least evidence of amino acids.

To test the latest theories, NASA researchers using the "gas weapon" for burn gas giant high pressure in the capsule of amino acids, water, and other materials at very high speeds.

Test results indicate the amino acid is not damaged by arson, which is described as the impact of a comet collision. Amino acids actually interconnected and form a protein that enables the formation of primordial life.

"Our research shows that the simplest unit of life can remain intact even if exposed to a tremendous shock wave of violence and other conditions as the impact of a comet collision," says Jennifer Blank, who led the study.

She said the comet to be ideal for sending packets of materials that allow the occurrence of chemical evolution. This chemical evolution is expected to trigger the formation of early life on Earth. "We love the comet delivery scenario as it includes all ingredients for life, namely amino acids, water, and energy," she said. *** [TELEGRAPH | MAHARDIKA SATRIA HADI | KORAN TEMPO 3841]
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