Why is Pleiades mentioned in the book of Job 3831 of the bible?

In The Bible the book of Job (chapter 38 verse 31) refers to Pleiades ñCanst thou bind the sweet influences of Pleiades, or loose the bands of Orion?ÍÍ Pleiades and Orion are constellatons that appears at contray times. It is a picture of relevance regarding no matter what season you are in God is in control.