O único exemplar conhecido de kyawthuite no mundo (Kampf et al., Mineral. Mag., 2017) Existe um mineral tão raro que apenas um exemplar foi encontrado no mundo: a kyawthuite (cha-too-ite). Este grão minúsculo, de cor amarelada, pesa apenas um terço de um grama (1,61 quilates) e, à primeira vista, pode assemelhar-se ao âmbar ou ao...
Em dezembro de 2020, a missão Chang'e-5 embarcou numa extraordinária viagem à Lua, assinalando um marco na exploração lunar. A sua missão é aterrar, recolher e devolver rochas à Terra. Este empreendimento marcou a primeira recolha de material lunar em 45 anos, oferecendo um tesouro de conhecimentos sobre a composição e a história da...
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