The bad news from
NASA is that the liquid ponds, lakes and seas on Saturn’s moon Titan are slowly
drying up—the little moon with its big atmosphere is dying. But the good news
it will be tens of millions of years before all that liquid actually dries out.
Yahoo
News reported “Today, methane
sloshes around in pools on the surface of Titan, but the hydrocarbon may eventually vanish from Saturn's
giant moon, according to a new study….
Besides Earth, Titan is the only known place in our solar system
to have stable liquids on its surface. The huge moon's clouds, lakes and rain
are made up of hydrocarbons, or molecules composed of hydrogen and carbon, such
as methane and ethane.”
In the short run we
have plenty of time to study these pools and see what kind of organic or
life-like microbes might be found in those liquids. In the long run, the moon
will probably die out and dry out, much as Mars has over the last 3 billion
years.
Scientists believe
the moon resembles the Earth as it looked a few billion years ago. The
atmosphere is believed to be similar to that of early Earth. Because of its
cold temperatures, about −179.5 °C or −290 °F, the little moon has remained stuck in
time.
Because
there is liquid on parts of the surface—hydrocarbons, or molecules composed of
hydrogen and carbon, such as methane and ethane—scientists believe the process
for building large organic molecules may be possible. Even if there are no actual cellular life forms the moon's
chemistry could produce prebiotic molecules, complex organic compounds
that are believed to have marked an early step in the emergence of life on
Earth.
We
still have time to study life or its origins when we send rockets and probes to
Titan. We can better study the evolution of life here on Earth as well as in
outer space. We are lucky to have such
heavenly bodies as Titan and Mars and we can more easily prove that life is a
process that can be found throughout the universe, rather than the
religious-right view that God created life special just of humans on Earth.
That right-wing idealist-philosophy makes no real sense and the study of Mars,
Titan and other such near-Earth-like bodies in this Solar System will disprove
such backward ideas.
We
are also realizing that Titan and other heavenly bodies are not just boring
dead rocks. They are vibrant, colorful worlds full of beauty and wonder.
-សតិវ អតុ
For
more information click
here.
Artist’s concept of Titan’s surface.
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