Posted on 07/01/2015 2:40:21 PM PDT by BenLurkin
On average, each of these quasi-circular holes are as wide as two football fields placed together, and some are as deep as the Washington monument is tall.
...
The pits can be found clustered in just a few regions on the comet's surface. There are small groups of them on both the "head" and "body" of the rubber-duck-shaped comet, but nearly all of them appear in the comet's northern hemisphere.
Cameras on Rosetta's OSIRIS instrument have spotted dust jets shooting out of some of the deeper depressions, but those that are more shallow do not seem to be active.
The authors explain that these large punctures could not have been made by impacts, because they have the wrong size distribution and you wouldn't expect to see that many impact craters on a body as small as comet 67P.
(Excerpt) Read more at latimes.com ...
This graphic put out by the European Space Agency shows where on comet 67P the pits are located, and how they may have formed. (ESA / Rosetta / MPS for OSIRIS Team)
Where’s ex-Mayor Villagrosa?
...and if we don't get Global Worming taken care of, we could lose the planet!!!!
That stupid typo early on has everyone running in circles over heat, of all things...
Thanks BenLurkin, extra to APoD.
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