The interposition of the counter-earth between the sun and the moon is the cause of their eclipses. And just as our earth has a counter-earth, each planet has a counter-planet, a planetary companion (as Bruno would say in his later works), which revolves with the other one on the same circle but at the opposite end of its diameter.

1970, Cat Stevens, Tea for the Tillerman, Father and Son.

However, complex gene action involving nonallelic interaction was found in the original 6×6 diallel.

The man driving the now-three-hubcapped car didn't notice and kept driving to his destination, which turned out to be Wal-Mart.