Signs of life shooting from Saturn's moon Enceladus would be detectable by spacecraft, scientists say 

 Scientists believe possible amino acids in Enceladus' subsurface ocean can indeed be detected by spacecraft. 

https://cdn.mos.cms.futurecdn.net/AZK9kRTnnqCHWrBMpitNbg.jpg

https://www.space.com/signs-life-saturn-moon-enceladus-ice-geysers-spacecraft