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Is there life on Mars? Many people have wondered ___1___
this question.
Some ___2___ of science-fiction think of people from
Mars as little green
creatures. Others ___3___ Martians as monsters with many
eyes.
In studying this ___4___, astronomers have found that
life may be
possible on Mars. The first indication of ___5___ is
that Mars has seasons,
___6___ like Earth. In
___7___ words, Earth's seasons,
___8___
as spring or summer, occur on Mars too. Because
these seasons exist, it may be possible ___9___
vegetation and other higher life forms to be ___10___ on
Mars. Astronomers also think that perhaps a small
___11___ of
water vapor could be found on Mars. In 1887, an
Italian astronomer, Giovanni Schiaparelli,
___12___ markings on the surface of Mars. These markings
___13___
like canals. This finding led astronomers to believe
___14___ since water exists on
Mars, life forms could ___15___ as well.
However, there are others ___16___ feel that life on
Mars is not possible. This
is because there is little or no ___17___ of oxygen on
the planet. In 1965, the
Mariner IV capsule managed to ___18___ photographs of
the planet. It discovered that the only forms of
life found are vegetation like fungi ___19___
mosses. Nevertheless, people remain fascinated ___20___
the idea that one day, there could be life on Mars. |
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| Answers |
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| 1.
about
2. writers 3. imagine 4. planet
5. this 6. just 7.
other 8.
such 9. for 10. found 11.
amount 12. discovered 13.
looked 14. that 15. exist 16.
who
17. trace 18. take 19. and
20. by |
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Is there life on Mars? Many people have wondered
about
this question.
Some writers of science-fiction think of people from
Mars as little green
creatures. Others imagine Martians as monsters with many
eyes.
In studying this planet, astronomers have found that
life may be
possible on Mars. The first indication of
this is
that Mars has seasons,
just like Earth. In
other words, Earth's seasons,
such
as spring or summer, occur on Mars too. Because
these seasons exist, it may be possible
for
vegetation and other higher life forms to be
found on
Mars. Astronomers also think that perhaps a small
amount of
water vapor could be found on Mars. In 1887, an
Italian astronomer, Giovanni Schiaparelli,
discovered markings on the surface of Mars. These markings
looked
like canals. This finding led astronomers to believe
that since water exists on
Mars, life forms could
exist as well.
However, there are others
who feel that life on
Mars is not possible. This
is because there is little or no
trace of oxygen on
the planet. In 1965, the
Mariner IV capsule managed to
take photographs of
the planet. It discovered that the only forms of
life found are vegetation like fungi
and
mosses. Nevertheless, people remain fascinated
by
the idea that one day, there could be life on Mars. |
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