Its Crowded Around Here

In: Science

14 Aug 2013

Below is a map of the orbits of 1400+ asteroids as collected by NASA’s Jet Propulsion Lab. Thankfully, none of these potentially hazardous asteroids (PHAs) are expected to intersect the Earth’s orbit in the next 100 years, since they are all at least 460 feet in size and would hurt.

image

2 Responses to Its Crowded Around Here

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Mark Iliff

August 18th, 2013 at 6:26 am

Good job that even local space is very very big …

Why the 460′ ≈ 140 m cutoff? Seems an arbitrary number on either scale.

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pkudude99

August 19th, 2013 at 11:06 pm

It’s video, not a chart, but this is what the pic reminded me of:

http://www.youtube.com/watch?v=xJsUDcSc6hE

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