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Mare Undarum

Field	Value
name	Mare Undarum
image	Mare Undarum (LRO).png
caption	LRO mosaic of Mare Undarum
eponym	Sea of Waves
coordinates
diameter

Mare Undarum (Latin undārum, the "sea of waves") is a shallow, irregular lunar mare located just north of Mare Spumans on the lunar near side, between the crater Firmicus and the eastern limb. It lies within a trough between the third and fourth raised rings formed by the impact that created the Mare Crisium. The selenographic coordinates of this mare are 7.5° N, 68.7° E. It has a maximum diameter of 245 km.

There are five known lunar domes within the mare. The surrounding basin material is of the Nectarian epoch, with the mare basalt being of the Upper Imbrian epoch. The crater Dubyago can be seen on the southern edge of the mare. On the northeastern edge of the mare is the crater Condorcet P.

When Mädler observed this area in the 1830s, he noted variations in the curved dark streaks that form this mare, leading him to speculate that the changes were caused by vegetation.

Fictional references

Mare Undarum was the location of the second catapult in Robert A. Heinlein's novel The Moon Is a Harsh Mistress (1966). The exact location of the catapult was kept secret and was "A matter of Lunar national security."

Gallery

Mundarum.jpg|Mare Undarum from the NASA Lunar Atlas Mare_Undarum_AS17-M-1626.jpg|Oblique view of Mare Undarum (foreground) and Mare Spumans (upper right), facing south, from Apollo 17 LAC 62.jpg|Chart of Mare Undarum and surroundings

References

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Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

maria-on-the-moon nectarian imbrian

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