Thoughts on Leo’s Stars

This November morning, like the previous three, was atypically warm for eastern Canada. I stepped out early to look at the sky, and I noticed two stars very close to the moon. Often, moonlight bleaches out stars in proximity of its boundaries, unless there is a lunar eclipse, which wasn't the case. So they must... Continue Reading →

Cosmic Origins of Atoms in a Mineral

A mineral is more pure than its parent┬árock. But compared to food additives, industrial compounds and pharmaceuticals, a mineral's compound often hosts more elements. As a result it isn't difficult to find a┬ámineral whose atoms have a variety of cosmic origins. Only a small percentage of elements on Earth are created in and around the... Continue Reading →

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