4212   astronomy
     4251   moon
     4287   universe
     4812   darkness, God's judgment
     5136   body

Matthew 24:27-31

     1450   signs, kinds of
     8746   false Christs

Matthew 24:29-30

     4272   sky
     4284   sun
     9170   signs of times

Matthew 24:29-34

     2565   Christ, second coming