［Strings Attached 紐付け］ Stephen Smith September 9, 2020Picture of the Day Galaxy clusters Abell 0399 and Abell 0401. High-temperature plasma in X-rays (red). Microwave data from Planck reveals a filament connecting the two clusters (ye…

［Electric Double Layers 電気的ダブル・レイヤー（二重層）］ Stephen Smith September 9, 2020Picture of the Day Double layers surround Earth, blocking high energy charged particles from space. ダブル・レイヤー（二重層）が地球を取り囲み、高エ…