'Sagan was among the first to suggest that Jupiter's moon Europa might have this & that it might contain life'
water (an ocean)
CARL SAGAN: Sagan was among the first to suggest that Jupiters moon Europa might have this & that it might contain life
Sagan was among the first to suggest that Jupiter's moon Europa might have this & that it might contain life
Sagan was among the first to suggest that Jupiter's moon Europa might have this & that it might contain life
CARL SAGAN
water an ocean
CARL SAGAN