Hatre Sedtry

Hatre Sedtry was a planet which was located in the star system known as Repton's Cluster.

Astronomy
The planet resembled Earth in size, geological and meteorlogical terms. (PROSE: Attack of the Cybermen)

History
Hatre Sedtry was inhabited by a race of sentient humanoids. Biped males and females with all the attributes of mammalian life forms, they were externally identical to Earth humans. However, they differed in culture as well as technology, which was many thousands of years ahead of Earth. Their advanced skills enabled them to proceed well beyond the incipient stages of developing a ship which could travel through the time-space continuum. A time vessel was constructed, manned by Flight Leader Lintus Stratton, Time Navigator Eregous Bates and a flight engineer. Whilst on a flight test, the craft crash landed on Telos, resulting in the death of the flight engineer as well as Stratton and Bates' capture by the Cybermen. (PROSE: Attack of the Cybermen)