The first batch of these -- literally historic -- images shows us a tantalizing look at the Fornax cluster of galaxies, some 60 million light years from Earth.
ENGADGET: DECam: Gazing deep into the final frontier in search of dark energy
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。