re: The hole is in APOD, today! - It's possible that...
.... some meteors struck the surface enough to penetrate existing lava tubes.
MOLA may still hold the answer... or a future probe...
Space/Science » in reply to re: The hole is in APOD, today! - It's not just the large one, but there are a few other smaller ones.
.... some meteors struck the surface enough to penetrate existing lava tubes.
MOLA may still hold the answer... or a future probe...