가입 후 초대 링크를 공유하면 동영상 재생 및 초대 보상을 받을 수 있습니다.

NASA Marshall
@NASA_Marshall
#NASAMarshall# delivers NASA's most vital propulsion systems, launch vehicles, cutting-edge science, and more. Verification:
가입 April 2009
87 팔로잉 중    838K 팬
🔎Diligent sleuthing by astronomers has broken open a @NASAHubble cold case! Researchers have uncovered a surprising chemical clue that indicates a white dwarf star may host a second-generation planet. Check out the evidence >>
더 보기