In 2014 the 8th blood moon tetrad occurs. 7 years later, in 2021, the planets align to form a cross in the sky. Could this be the sign of the Son of man as spoken of by Jesus in The Bible? Many astronomical events occur during this 7 year period. Could this signal the beginning of The Great Tribulation and the return of Christ? "And then shall appear the Sign of The Son of man in heaven: and then shall all the tribes of the earth mourn, they shall see The Son of man coming in the clouds of heaven with power and great glory "