Complex sentence: Pi² Cygni is a spectroscopic binary with its main component being a Class B3 blue giant star with an apparent magnitude of +4.23 and a stellar luminosity nearly 2,200 times that of the Sun. It is approximately 1156 light years from Earth.
Split into simpler sentences: Pi² Cygni is a spectroscopic binary with its main component being a Class B3 blue giant star with an apparent magnitude of +4.23. Its stellar luminosity in nearly 2,200 times that of the Sun. It is approximately 1156 light years from Earth.