清华大学刘凯等综述：稀土纳米晶近红外二区发光增强研究进展
近日，清华大学刘凯教授和中国人民解放军总医院第七医学中心苗莉博士等人在 Science China ...
See a stunning star cluster in an enormous 80-million-pixel image
A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.