Dark Energy(DE) Supernova Cosmology Project 3" Big Bang 2 Supernovae q(z=0+z(dg/dz Constant Acceleration. o daldzE 0100 6E 〓〓二 二二二9=一二 749% Dark Energy Coasting, q z) Constant Deceleration.=+.dg/dz:0. 1:01 229 Dark Acceleration+ Deceleration dz=++ Matter 4% AtoDark Energy (DE)