这些“费米大天区望远镜(LAT)”所侦测到的高能伽马射线的波长仅相当于原子核大小的千分之一。
These high-energy gamma rays, detected by Fermi’s Large Area Telescope (LAT), have wavelengths one-thousandth the size of an atomic nucleus.
当然,如果你直接跑到彗星核上,就根本不需要用双筒望远镜了,而这正是美国国家航空和航天管理局的EPOXI宇航飞船在11月4日的使命。
No binoculars are needed, of course, if you go right up to the comet's nucleus, as is the plan for NASA's EPOXI spacecraft on November 4.
附着在合成超细纤维上的内皮细胞,微管、肌动蛋白和胞核已染色(2500倍),荧光和激光共焦显微镜。
Endothelial cell attached to synthetic microfibers, stained with microtubules, F-actin and nuclei (2500x), Fluorescence, confocal.
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