Stars of the Roman Empire?

• Stars, in the Royal Air Force motto
• Ad ___ (to the stars): Lat.
• Ad ___ (National Space Society's magazine)
• Word in the Kansas motto
• "Ad ___ per Aspera" (Kansas maxim)
• Per ardua ad ___
• "Ad ___ per aspera" (Kan. motto)

Wikipedia Word definitions in Wikipedia
The Astra was an American automobile manufactured in 1920. The car was built by a subsidiary concern of Dorris Motors Corporation , and was shown that year in its native St. Louis, Missouri . It featured a wheelbase , a Le Roi four-cylinder engine, and ...