asteroids
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ScienceTRANSCRIPT
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Asteroids
By:Group 5
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Asteroids
what is asteroids?
- Asteroids are giant rocks that lived in theouter space
- these asteroids are dangerous, they canmake a large destruction in a planet.
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Examples of
asteroids- Near earth asteroids (NEAs)
these asteroids are the most watchedbecause of the possibility that it might
collide on our planet.
there are 7,075 NEAs already found
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Examples of
asteroidswith 500 to 1000 of them at least 1 km indiameter.
asteroids that passes through ouratmosphere ignites and it can create
earthquakes and forest fires.
these occurences are very rare, the mostknown occured in russia in 1908
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Tunguska Event of
1908- it is known as the massive explosion whichcause the destruction of the estimated 80
million trees in an area of more than 2000sq.km.
-the power of the asteroid is equal to the
estimated force of 1000 times of the atombomb in hiroshima.the asteroid was about
38 m in diameter.
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Asteroidslike planets ,asteroids are given names by
astronomers. the first asteroid discovered
in 1801 and was at first thought to be a
planet because it is big that measure 910km across, it is named ceres the roman
goddess of agriculture. three others
weresubsequently found and given thename of gods and goddesses from
mythology like Pallas, Juno, and Vesta.
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Asteroidsthey are also named from scientist that
contributed to the world of science like
Einstein which is known by his theory of
relativity.
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Asteroids as source
of metals- many asteroids are big enough so that aspaceship can land on them and walk on
its surface. those that are big are refferedto as planetoids because they are believes
to be rich in nickel, iron ,and many metals .
there is one company that might make apossibility of mining metals on asteroids.