I'm not getting the joke involving coronium.TR 18:50, 14 February 2009 (UTC)

Perhaps they first observed it in the sun's corona? Turtle Fan 19:38, 14 February 2009 (UTC)
Exactly. The chromosphere is also known as the corona when observed during a solar eclipse. I included the second paragraph to illustrate HT's thought processes when he comes up with changed names in ATLs. Rather name it "helium" after "helios", he named it "coronium" after the "corona". A more obvious example is Y-ranging rather than radar (RAdio Detection And Ranging) ML4E 21:36, 14 February 2009 (UTC)
And all those dopy, silly names he gave the transuranics in TL-191. Those were ridiculous. Turtle Fan 22:22, 14 February 2009 (UTC)
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