\magnification=\magstep1


$$
H_0 \quad = \quad {{\rm recession\ velocity}\over{\rm distance}} \quad 
                \left( {{\rm km/sec}\over{\rm Mpc}} \right)
$$

$$
L_{\rm CMB} \quad = \quad (v_s) \thinspace (t_{\rm decoupling})
$$

\bye
