'Ascending' in the Bible

And he says to him, Verily, verily, I say to you, Henceforth ye shall see the heaven opened, and the angels of God ascending and descending on the Son of man.

If then ye see the Son of man ascending up where he was before?

And I saw another angel ascending from the sunrising, having the seal of the living God; and he cried with a loud voice to the four angels to whom it had been given to hurt the earth and the sea,