Latest Amy C. Barr Stories
Differences in the number and speed of cometary impacts onto Jupiter's large moons Ganymede and Callisto some 3.8 billion years ago can explain their vastly different surfaces and interior states
Word of the Day
- In the month which preceded the present; in the last month, as distinguished from the current or present month and all others.
The word 'ultimo' comes from the Latin phrase 'ultimo mense', 'in the last month'.