There is something very peculiar about
watching a shooting star, as the effect it has on people greatly varies from individual to individual
and from culture to culture. The understanding of the shooting star in
different parts of the world is both varied and suggestive. Thus, westerners commonly make a wish when they
see a falling star, while in other traditions, any shooting
star represents a sign that someone has passed away. Yet,
although we give all sorts of explanations to such sky events, they have a very reasonable and easy to
understand scientific background. The fact is that we incorrectly call it a shooting star, as the thing in itself has nothing
of the attributes of a real star. Click over here for more
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A shooting star is a meteoroid, or some form of
debris that falls on Earth and gets on fire at the entrance in the atmosphere. The great friction of the air masses and the presence of the oxygen associated with the incredible speed of the meteoroid cause the star-like appearance. Thus, the combustion of the shooting star is complete before reaching the
surface of the planet. Big-sized meteoroids may not burn completely and they fall on the ground causing
crater formations. This time they are called
meteors.
Scientists can identify the chemical
structure of a shooting star by observing the light specter during the descent as well as the
trajectory through the atmosphere. Though noticeable with the naked eye
on the dark night sky only, meteoroids and meteors also fall during
the day, but this time they can be
identified only by radio signals, with the sunlight making them very difficult to spot
otherwise. Thus, scientists have
determined that a shooting star can be light and fragile like a snowball
or heavy and dense because of the hard metal core. A very unusual phenomenon is that of a shooting star that passes through just a sector of the
atmosphere without burning completely before resuming its journey in outer space. You
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A very bright shooting star is called a
fireball and the measurements result from comparing the light intensity of
the meteor with that of a planet. As beautiful
as it may look, a shooting star can often cause great damage on Earth’s surface if it is not totally burned during the
flight through the atmosphere. Past collisions proved
devastating for ecosystems, with vegetation and animal
losses; if such a shooting star fell in a city,
the impact would be that of a bomb attack, with
a higher or lower
destructive force depending on the size of the meteor. You should
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