Giant Mars mountain Olympus Mons may once have been a volcanic island
Mars' mighty Olympus Mons may have once been a volcanic island surrounded by an ocean nearly 4 miles deep, according to geological evidence found in towering cliffs that ring the extinct volcano.
from Space https://ift.tt/9a0DRVu
from Space https://ift.tt/9a0DRVu
Comments
Post a Comment