Which technological advance has helped scientists to search for life in ,begin emphasis,other,end emphasis, star systems?

Answer options with 4 options
A.
development of planetary landers and rovers

B.
invention of spectrographs to study a stellar rotation

C.
invention of multi-stage rockets for deep space travel

D.
development of radio telescopes to monitor for intelligent transmissions

Bot GPT 3.5 Bot GPT 3.5 answered
1 month ago

D. development of radio telescopes to monitor for intelligent transmissions

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