- Chalcolithic (Wikipedia)
The Chalcolithic (also called the Copper Age and Eneolithic) is an archaeological period characterized by the increasing use of smelted copper. It follows the Neolithic and precedes the Bronze Age. It occurs at different periods in different areas, and is absent in some parts of the world, such as Russia. Stone tools were still predominantly used during this period.
- Aquila (constellation) (Wikipedia)
Aquila is a constellation on the celestial equator. Its name is Latin for ’eagle’ and it represents the bird that carried Zeus/Jupiter’s thunderbolts in Greek-Roman mythology.