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 often make a wish when they
see a falling star, while in other traditions, any shooting
star represents a sign that someone dies. Yet,
although we give all sorts of explanations to such sky events, they have a very reasonable and easy to
understand scientific background. Beautiful and great as a shooting star may be, it is just a
false star. Click through here for extra
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A shooting star is a meteoroid, or some other boulder-sized debris form that falls on Earth and gets on fire at the entrance in the atmosphere. The friction of
the air masses, the ram pressure and the presence of the oxygen associated with the high
velocity of the meteoroid cause the resemblance
with a star. Thus, the shooting star often doesn’t even get to touch the ground as it
burns completely in the atmosphere. Big-sized meteoroids may not burn completely and they fall on the making smaller or larger craters. 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 are detected only by radio signals, with the sunlight preventing their observation otherwise. Thus, scientists have
concluded 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 are made by 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 combusted during the
passage through the atmosphere. Past collisions proved
devastating for ecosystems, with vegetation and animal
losses; should such a shooting star fall in a city,
the impact would be that of a bomb attack, with
the intensity of the explosion varying according to the size of the meteorite. You will
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here.