- ADHAFERA (Zeta Leonis). The Sickle of Leo is known for the bright star Regulus and the famous double Algieba. Just above Algieba, you can admire a fainter star, third magnitude (but just barely so, 3.44) Adhafera.
- Metaphysics (Wikipedia)
Metaphysics is the branch of philosophy that studies the fundamental nature of reality. This includes the first principles of: being or existence, identity, change, space and time, cause and effect, necessity, actuality, and possibility.