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Originally posted by ArMaP
Yes, I am consistent, but I have no problem in changing my mind if I find I was wrong.
Originally posted by neil wilkes
Without this information, the picture is meaningless.
Originally posted by barrystock
Post processing was done using Shadow/Highlight filter.
September 26, 2000 -- In the pantheon of cosmic geometry, curves rule. Astronomy texts are filled with spiral galaxies, elliptical orbits, and ring nebulae. There are no chapters on triangles or rectangles -- after all, who ever heard of a square planet? Some of the simplest shapes, common in the handiwork of humans, are just plain rare in space.
Rare, but not impossible...
Last month, astronomers were studying pictures of asteroid 433 Eros when they noticed some unusual craters. Most impact craters are circular, but these were square!
Originally posted by zorgon
Originally posted by barrystock
Post processing was done using Shadow/Highlight filter.
FANTASTIC!!! And your a professional to boot
Mind if I ask the original source of that image?
Originally posted by spikedmilk
That gravity part sounds fun - so i wonder, if it takes 5 minutes to fall off a cliff on Miranda due to weak gravity would the impact still be as hard?... hmmmm.
Originally posted by zorgon
I like the SQUARE CRATERS on Eros...
September 26, 2000 -- In the pantheon of cosmic geometry, curves rule. Astronomy texts are filled with spiral galaxies, elliptical orbits, and ring nebulae. There are no chapters on triangles or rectangles -- after all, who ever heard of a square planet? Some of the simplest shapes, common in the handiwork of humans, are just plain rare in space.
Rare, but not impossible...
Last month, astronomers were studying pictures of asteroid 433 Eros when they noticed some unusual craters. Most impact craters are circular, but these were square!
science.nasa.gov...
"These square craters are not just novelties, they tell us something very interesting," says Andy Cheng of the Johns Hopkins University Applied Physics Laboratory. Cheng is the project scientist for NASA's Near Earth Asteroid Rendezvous spacecraft, which is orbiting Eros. "It's an indication that Eros is permeated with an extensive system of fractures and faults. Typically on Earth when we find this type of fractured area, the fractures form intersecting systems. Craters in such a terrain look square; we call them jointed craters. The best example is the Barringer Meteor Crater in Arizona."
Square craters add to accumulating evidence that Eros is riddled with cracks and ridges that extend the entire 33 km length of the peanut-shaped space rock. "We first saw long grooves in global pictures of the asteroid when NEAR was entering orbit around Eros in February 2000," continued Cheng. "Now, if we look carefully, most of the closeup pictures seem to show signs of grooves and ridges."
Originally posted by NuclearPaul
Originally posted by spikedmilk
That gravity part sounds fun - so i wonder, if it takes 5 minutes to fall off a cliff on Miranda due to weak gravity would the impact still be as hard?... hmmmm.
Depends on your velocity. Doing a face plant into rock at 100mph in space has exactly the same impact as here. Mass and inertia are the same, only weight is different.
Originally posted by razor1000
you know we probably ended up in space a long time ago