［Tilted Haloes 傾斜したハロー］ Stephen Smith October 21, 2020Picture of the Day Clouds of gas that “rain down” upon the Milky Way from a variety of sources. Some drift between galaxies in space. さまざまな源から天の川に「降り注ぐ」ガスの…

［Electric Charge vs. Hot Gas 電荷対高温ガス］ Stephen Smith July 16, 2014Picture of the Day Composite image of galaxy cluster MACSJ0717.5+3745 from HST and Chandra. HSTとチャンドラの銀河団MACSJ0717.5 + 3745の合成画像。 ―――――――― Jul 17, 20…