Talk:Mare Frigoris

Astronomy: Astronomical objects / Moon / Solar System Low‑importance

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"Upper" and "Lower" Imbrian[edit]

The article uses the terminology of "upper" and "lower" Imbrian epochs, but the linked article for the Imbrian epoch uses the terminology "early" and "late" Imbrian. This is a confusing mix of terms, and it is not entirely clear that "lower" means "early". 129.242.81.177 (talk) 10:49, 12 December 2022 (UTC)[reply]