Linguistic science

Planetary rovers, pioneered some 40 years ago, have emerged as an amazing exploration tool. they demonstrate that unmanned missions offer formidable rewards as technologists attempt to answer the most profound scientific question: Are we alone?
@ IEEE 2010 annual report

우리가 혼자일까?
갑자기 영화의 한 장면이 생각난다.

이렇게 큰 우주에 우리 인간만 존재하는 것은 너무나 큰 공간 낭비가 아닐까요?

formidable rewards
1. very important, very big, couldn't be large in quantity.

profound,
1. (문어) 깊은
2. (책, 사상 등이) 난해한