The map will be redrawn centred on the position of Betelgeuse.地图将以参宿四为中心重绘.A red supergiant , Betelgeuse is no slouch of a star either.参宿四是一颗红色的超巨星.Most constellations have only one bright star, but Orion has two: Rigel ...
Moving rapidly through school, he graduated Phi Beta Kappa from the University of Kentucky at age 18.他连续跳级，18岁时就以全美优等生联谊会成员的身份从肯塔基大学毕业。" Golden " rice contains increased amounts of beta - carotene, a source of vitamin A....