As reported by New Scientist, American astronomers, used the hundred-meter radio telescope in Green Bank, West Virginia, were able to detect 21 previously unknown pulsars. Pulsars are hidden in a cluster of ancient (not to say the oldest) stars in globular clusters Terzan five near the center of our galaxy. Earlier in this cluster have been three known pulsar. This is so far the absolute record of any known star cluster. The previous record holder – 47 Tucanae (47 Tucanae) contains only 22 of the pulsar.