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NASA finds evidence of life on Mars
CPNet - NASA Administrator Daniel
Goldin announce today that a team of scientists has found evidence of a
primitive life form on Mars.
"We are not here to establish beyond of shadow of a doubt that life
existed on Mars," said Goldin, "but we have to open the door."
The bacteria-like form was found on a meteorite, believed to have come
from Mars, that hit an Antartic ice field 13,000 years ago. The meteorite
was picked up in 1984.
Poll: Do you think there is life on Mars?
or, email us your theory.
Mars at a glance:
Known as the red planet, Mars is the fourth planet from the Sun
and the outermost rocky planet. Astronomers first observed what were thought
to be signs of life on Mars in the 19th century - but nothing like the
microfossils found by NASA on the Antartic meteorite.
The first signs of life included canal-like markings on the surface
of the planet. It is now known that the canals are an optical illusion.
Phobos and Deimos are the two irregularly shaped moons of Mars. Their
small size indicates that they may be asteroids that have been captured
by the gravity of Mars.
Year: 1.88 Earth years
Mass: 0.11 Earth masses
Diameter: 4,217 miles
Average orbital speed: 15 miles per second
Aphelion (orbital point farthest from Sun): 154.8 million miles
Perihelion (orbital point closest to Sun): 128.4 million miles
Athmospheric compositions: Carbon dioxide about 95%, nitrogen about
2.7%, argon about 1.6% oxygen, carbon monoxide and water vapor about 0.7%.
Average diameter: 14 miles
Average distance from Mars: 5,800 miles
Average diameter: 8 miles
Average distance from Mars: 14,600 miles
Interactive. Pictures of microfossils, QuickTime movies, AIFF and WAV
Current press information.
Posted: August 07, 1996.
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