On 2021-09-15 8:48 PM (-4), Cousin Ricky wrote:
> On 2021-09-15 6:22 PM (-4), Samuel B. wrote:
>>
>> "A" points to three features I suspect might have been produced by asteroids
>> scraping the surface. Notice how they seem to have occurred on the sides or
>> upper portions of a (really large) sloping hill? To me that indicates they were
>> perhaps caused by asteroids hitting the moon at glancing angles... But I can
>> definitely see how they could have been caused by collapsed lava tubes.
> 
> I'm guessing rills; if not that, collapsed lava tubes.  It's not
> intuitive, but as far as I know, impact craters are always circular,
> regardless of impact angle.  If anything, a glancing impact might create
> a series of craters, rather than a linear gouge.

@Thomas de Groot - Are you aware that your reply to this post went to my
personal email, rather than the newsgroup?

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