He did it in the physical realm exactly the same way He does it in the spiritual realm of His "New Creation" in Christ. He does it by His word.
2 Corinthians 4:6 For it is the God who said, "Let light shine out of darkness," who has shone in our hearts to give the light of the knowledge of the glory of God in the face of Christ.
I hope you have found this helpful.
God bless you,