Talk:Mare Imbrium

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Imbrium impact

I have been reading an article "The Imbrium Impact" by Nils Aall Barricelli, an Italian-Norwegian mathematician, in the August 1971 issue of Analog magazine. He suggests that the Mare Imbriam was caused by the collision of the Moon with another, much smaller sattelite of the earth, with a diameter of about 300 to 350 kilometers. He states that surface features indicate that the smaller sattelite "collided with the Moon after approaching its surface from a low angle to the horizon". He further adds that a high velocity impact from a meteor or a small asteroid would have vaporized the surrounding rock, but an impact on the order of 2 to 3 km./sec would merely have melted the rock, causing a massive lava flow. I am certainly no expert on this, but I had never heard this theory before. I wondered if this theory had been disproved in the last thirty years, or never seriously considered.

Well there is little doubt that Mare Imbrium is an impact basin. As to whether ot not the lava flows were internal from the Moon or created by rock melt, I'm not sure. But there have been repeated lava flows on this mare, as evidenced by visible edges of past flows along the surface, so I would think at least some of the magma welled up from the interior. — RJH 17:49, 14 Apr 2005 (UTC)

Billion

Why is "American billion" in quotes? JD79 22:24, 13 March 2006 (UTC)[reply]

Issue was addressed and removed 00:27, 14 March 2006‎ by user Bryan Derksen (the 'American billion' parenthetical is redundant in any event, removing.) Thor Dockweiler (talk) 00:28, 12 March 2016 (UTC)[reply]

Age of mare Imbrium

I had to delete this:

"Mare Imbrium is between 3700 million and 3900 million years old and is the youngest of the lunar maria except for Mare Orientale."

In fact, some of basaltic lava flows in this basin are as young as ~2.5 Ga. Someone should look up the correct ages.Lunokhod 18:28, 30 October 2006 (UTC)[reply]

I agree - the "long ago" dating in the article is pretty ludicrous. (Pointym5 (talk) 02:43, 21 July 2009 (UTC))[reply]

In TV fiction

In the TV series UFO (Anderson, 1969-1970) SHADO Moonbase military organization is located in the Mare Imbrium. Alessandro Crisafulli--147.163.48.49 (talk) 16:22, 14 December 2009 (UTC)[reply]

Apollo 15 section

In the paragraph on Apollo 15, I do not think it is necessary or appropriate to discuss the postage stamp incident or the Fallen Astronaut sculpture. They have little to do with Mare Imbrium, and a lot to do with the astronauts themselves. A reader can find out about those things in the Apollo 15 articles. What would be appropriate is a summary of the relevant findings of Apollo 15 with respect to Mare Imbrium. Jstuby (talk) 19:14, 31 July 2017 (UTC)[reply]