"No one has ascended into heaven except he who descended from heaven, the Son of Man."
John 3:13
Jesus was in Heaven before he came to Earth and then after he left Earth he ascended back up to Heaven. We know he got a new body on Earth so it stands to reason he had a different kind of body in Heaven. Scripture doesn't seem to say he needed to take his human body to Heaven.
50Now I declare to you, brothers, that flesh and blood cannot inherit the kingdom of God, nor does the perishable inherit the imperishable.
53For the perishable must be clothed with the imperishable, and the mortal with immortality.
1 Corinthians 15:50,53
So one could hypothesize that Jesus' body changes from perishable to imperishable as needed when going from Heaven to Earth or back. This might be the glowing kind of body he had during the transfiguration. (Matthew 17)
11“Men of Galilee,” they said, “why do you stand here looking into the sky? This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen Him go into heaven.”
Acts 1:11
The way people saw Jesus ascend to Heaven was in a human form. We know from other scriptures that flesh and bone bodies aren't in heaven. So Jesus must be in heaven with an imperishable, immortal, body at the right hand of God.
The right hand of God may be a literal reference to God's right hand. It could mean that Jesus is sitting at a place of supreme power... Or both