What are the chances of an unknown asteroid hitting the earth
[From: ] [author: ] [Date: 11-05-12] [Hit: ]
edu/impactearthAlso, our planet routinely scoops up about 100 tons of space debris per day. Most of it is dust to around 1 cm in size. A few are larger, to maybe a meter. The vast majority go unnoticed,......
http://neo.jpl.nasa.gov/programs/
To get an idea of what it takes to for an object to do damage, play around with the numbers here -
http://www.purdue.edu/impactearth
Also, our planet routinely scoops up about 100 tons of space debris per day. Most of it is dust to around 1 cm in size. A few are larger, to maybe a meter. The vast majority go unnoticed, since they flash high (80 miles) in the atmosphere, enter during daylight, over unpopulated areas (like oceans) or just simply ignored since hardly anyone bothers to look up.
-
Well.. figure, about once every 100 years, a 10-20 kiloton explosion is caused by an impacting asteroid. (In April, 2000, there was a 10-kiloton explosion off the west coast of the US, attributed to an asteroid explosion.) Going back, there was Tenguska, in 1908; and there was the Wabar craters, created in the Empty quarter of Saudi Arabia, back around the late 1700's.
It has to do with odds... Since only 1 significant impact *usually* occurs over 100 years, you have about 1 in a 36,500 chance of it happening day to day... Since the last one *detected* was about 10 years ago... I think we're safe until 2100 or so. (going by the odds, that is.)
-
0.02 but there would be a warning because they have special satelittes to see what comes at earth and different changes in space.but you might not know how will the warning be directed to you through television etc.if the satelite don't see it highly doubt it but there could be a change in earth who knows what can happen.but if its big a human can spot it with a naked eye
-
It's not unknown asteroids you need to worry about, it's unknown comets. Much more likely to cause vast destruction with little warning.
However, such events are rare: about one per 50 million years.
You're more likely to be killed by a crashing airplane.
-
I feel safe knowing theres nerds in little lab coats looking after us. Dont worry about it :)
keywords: an,of,are,earth,unknown,chances,asteroid,hitting,What,the,What are the chances of an unknown asteroid hitting the earth
