radioactive ones (thorium and uranium) the age of these stars can be determined to about 13 billion years (see Sneden's Star, Cayrel's Star, Kratz's Star, Frebel's Star (HE 1523-0901)).
HE 1523-0901 | Frebel's Star (HE 1523-0901) | 1523 in poetry |
The Valley Railroad in Essex, Connecticut owns a pair of 80-tonners, 0900 and 0901, for use on the Essex Clipper Dinner Train.