Moss

How about Arizona meteor crater which was left by asteroid of 50 yards. its some thousand years back.

Williams dean

is it ever hit the ocean ? may be millions yearss back.

divesh

i think the asteroid belt is quiet dense some 20% of asteroids have their own moons.

Rick D.

i google it and i think vesta and ceres are some big asteroids.

Simran

I go through this today - http://en.wikipedia.org/wiki/Asteroid_belt sounds scary things can go any way.

Michael dang

the biggest asteroid in our system is ceres yup it is recognized as dwarf planet i think.

simple diz.

I heard they are very large but not dense and normally got vaporized as soon as they enter earth atmosphere. see that bright light . you know it dear.

Happy

smart Rick. you have good idea of astronomy as well.

Aman batra

how big an asteroid be to destroy the earth. I have collection of some google and youtube videos with live coverage of meteors hitting earth.

Happy

I saw them. You mean that which hit the front of the car and that Superbowl fans video etc. ok . they might be still available there..why such negative questions..? destroy !! etc etc.

Aman batra

sorry dear. its developer’s mind vaise to tum object karte nahin.

Daniel

they are large in no. and we know only very few.

Aman batra

right.asteroids do have their own orbit.

Shamit

I read it may comes from supernovas explosions .

Happy

that just a theory shamit…like many scientists think it was the debris left behind after the planetary collisions earlier.

pattrick ko

the friction between gravities of saturn and jupiter may results in their deviating from their path and might go anywhere.

Happy

Yesh pattrick you are right and earth has good gravitation to pull them but still chances of hitting are very rare but ….anyway even scientist as of now know just 10 % of asteroids …solar system is yet to be fully explored..

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