The Connection Between the Ascension and the Eucharistic Presence of Christ

If Jesus Christ is not presently alive somewhere in his full humanity and divinity, he cannot be the principle by which his soul and divinity are present in the Eucharist as well. And it's one of those questions where, especially with modern science, it becomes extra challenging. The catechism and other traditional theological sources are relatively silent about the details of this mystery. But I think there are some important questions about the actual place of heaven.