NASA’s leading scientist Petrač dies

Slovenian physicist Dušan Petrač, who was a leading NASA scientist, has died aged 91. The news of the death of the long-term member of the Slovenian Democratic Party (SDS) has been announced by SDS leader Janez Janša.

Petrač was a world-renowned physicist and the first Slovenian candidate for a flight into space. Since 1973 he had been directly involved in experiments in the zero-gravity laboratory, and in experiments with rockets, space taxis and artificial satellites.

He was an internationally renowned expert in space technology, author of many scientific publications and...