半人馬小天體29P/Schwassmann-Wachmann 1的噴發活動示意圖。Credits: NASA, ESA, CSA, Leah Hustak (STScI)

半人馬小天體29P/Schwassmann-Wachmann 1的三維模型。Credits: NASA, ESA, CSA, Leah Hustak (STScI), Sara Faggi (NASA-GSFC, American University)