The Astra was an American automobile manufactured in 1920. The car was built by a subsidiary concern of Dorris, and was shown that year in its native St. Louis.
The Astra was an English car built by a subsidiary of British Anzani of Hampton Hill, Middlesex from 1954 to 1959. It claimed to be the smallest and cheapest four wheeler on the British market. The car had originally been built by JARC motors and sold as the Little Horse.
ASTRA was a type of nuclear research reactor built in Seibersdorf, Austria. The acronym stands for Adaptierter Schwimmbecken-Typ-Reaktor Austria (Adapted swimming pool-type reactor Austria). ASTRA operated from 1960 to 1999.