- Vega (stars.astro.illinois.edu)
VEGA (Alpha Lyrae). One of the most famed stars of the sky, Vega is the luminary of the exquisite constellation Lyra, the Lyre, which represents the harp of the great mythical musician Orpheus.
- Chlorine (Wikipedia)
Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity on the revised Pauling scale, behind only oxygen and fluorine.