- The Bat Caves (B’ham Crags) (summitpost.org)
The Bat Caves (the crags at Oyster Dome) area got it’s name from a rare breed of bat that lives in the caves here. The cliffs here are the largest cliffs on Chuckanut Mountain and in the Bellingham area. The climbing is excellent despite friable holds here and there
- Double star (Wikipedia)
In observational astronomy, a double star or visual double is a pair of stars that appear close to each other as viewed from Earth, especially with the aid of optical telescopes.