Car - middle of fan belt lacks power

• "Ad ___ per Aspera," Kan. motto
• "Per ardua ad ___" (RAF motto)
• "Ad ___" (2019 sci-fi film)
• Stars in the Forum?
• Stars of the Roman Empire?
• Word in the Kansas motto
• Stars of old Rome?
• Ad _____ per Aspera (Kansas' motto)

Wikipedia Word definitions in Wikipedia
Astra (foaled January 25, 1996 in Kentucky) was an American Thoroughbred racemare who won four Grade I races on turf .