Talk:Mars Excursion Module

Astronomy: Mars / Solar System Low‑importance

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columbium vs niobium[edit]

Hmm... whether to edit or not ... the latter name is correct modern usage, but at the time this thing was designed it's arguable that its designers might actually have still used the former. Which, therefore, should we use in the article? 51.7.49.61 (talk) 00:26, 19 August 2017 (UTC)[reply]