Three planets now shine in the evening sky, including Saturn now at its best for 2015.
Look west in the early evening to sight brilliant Venus in the twilight, and slightly dimmer Jupiter above it. 301 more words
Aren’t these lovely little Gems? In many crystals, one metal or anion can substitute for the usual suspect. In this Crystal with three metals, Galkhaite, the first metal can be either Cesium or Thallium, the second either Mercury or Copper or Zinc, the third either Arsenic or Antimony, and the anion is Sulfur (a metallic ion is positively charged, so to make a neutral Crystal you need a negatively charged partner, the anion). 1,096 more words