你唔講佢中間條環帶狀既山既
好明顯就係兩個半球啤出來既痕跡啦
Among our solar system’s more than 150 known moons, Titan is the only one with a substantial atmosphere.
Titan is the only place besides Earth known to have liquids in the form of rivers, lakes and seas on its surface.
若人馬座A*和M87沒有事件視界,則繞行於周圍的吸積流將加熱其表面時,使表面輻射的光譜在近紅外光波段產生峰值。然而,EHT並無觀測到此現象,這表示它們應該擁有事件視界