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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.