Samples of which celestial object(s) have been brought back to Earth to be studied in detail?
A) a comet
B) the solar wind
C) an asteroid
D) the Moon
E) all of the above

Question

Quizplus · Accepted Answer

Samples from a comet (Stardust mission), the solar wind (Genesis mission), an asteroid (Hayabusa and OSIRIS-REx missions), and the Moon (Apollo missions) have all been brought back to Earth for study.

Samples of Which Celestial Object(s) Have Been Brought Back to Earth