Question

Question
Which space exploration activity has most helped astronomers determine the age of the moon?(1 point)
Responses

collection of deep space images by the Hubble telescope
collection of deep space images by the Hubble telescope

placement of mirrors on the lunar surface
placement of mirrors on the lunar surface

experiments performed on the International Space Station
experiments performed on the International Space Station

collection of lunar rock samples

Answer 1

collection of lunar rock samples

Reason: Radiometric dating of Moon rocks returned by the Apollo missions (and later sample-return missions) provided isotopic ages that let scientists determine the Moon formed about 4.5 billion years ago.