Swan's Nest
- Episode aired Jun 27, 1994
Patrick Moore investigates evidence for the existence of black holes - collapsed stars whose gravitational field is so strong that not even light can escape.Patrick Moore investigates evidence for the existence of black holes - collapsed stars whose gravitational field is so strong that not even light can escape.Patrick Moore investigates evidence for the existence of black holes - collapsed stars whose gravitational field is so strong that not even light can escape.