Latest Amundsen Stories
Newly-released images of the lunar south-polar region obtained by ESAâ€™s SMART-1 are proving to be wonderful tools to zero-in on suitable study sites for potential future lunar exploration missions.
Word of the Day
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.