Critical Mass: "The Mass as Mission"

What is Critical Mass? From the "About" page:

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critical mass (n) - the smallest amount of fissile material needed for a sustained nuclear chain reaction

critical (adj) - characterized by careful, exact evaluation and judgment; indispensable, essential

Mass (n) - public celebration of the Eucharist in the Western Rites of the Catholic Church

Critical Mass is a blog devoted to the liturgical catechesis of the faithful of the Catholic Church called for by Vatican Council II in its first document, the Constitution on the Sacred Liturgy, Sacrosanctum Concilium:

With zeal and patience, pastors of souls must promote the liturgical instruction of the faithful, and also their active participation in the liturgy both internally and externally... [n. 19]

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So that's what Critical Mass is. The first content is already up: Part I and Part II of the series called "The Mass as Mission".