Which 9-letter constellation, named for a chained princess of Greek myth, begins and ends with the letter A?

Which 1850s song, sung by Confederate troops, became a No. 1 hit for Mitch Miller in 1955? Which Missouri congressman, who served from 1977 to 2005, was known for his firm opposition to NAFTA? What is the console of keys on a piano or typewriter called? Which physicist, who in 1900 postulated that energy is radiated in quanta, has a fundamental constant named for him? Which constitutional amendment guaranteeing equal rights for women was sent to the states in the 1970s but fell short o… A consumer product such as a medicine must list its "active" what? What is a humidity-controlled container designed for storing cigars called? A contemporary review of which 1851 novel asked "Who would have looked for poetry in blubber"?