Would sit down at the right hand of God (Psalm 110:1; Hebrews 1:3)
A Psalm of David. HaShem saith unto my lord: 'Sit thou at My right hand, until I make thine enemies thy footstool.'
God is saying to David to sit at his right hand, a mark of distinction. God is bestowing this honor on him at a critical time when surrounding nations were hostile towards him, nations that would become his "footstool" as one places one’s foot on the neck of a defeated general or king.
Is there a telescope that could prove Jesus is sitting at the right hand of God? There is no reason to think he is at the right side of anything other than that the new testament says so.
If you have the predictions already, it's easy to construct a story around them and then reinterpret them to relate to the predictions; Especially when writing for an audience who isn't familiar with the proper context.
What are the messianic prophecies, those which tell us how to identify the messiah?