: Scientists have observed high-velocity gas outflows in galaxies at
: Data from the GOODS NICMOS survey suggests that massive galaxies at (within the : Scientists have observed high-velocity gas outflows in
) indicates how much the light from a distant object has been stretched by the expansion of space. At approximately , several major cosmic transitions occur: : Scientists have observed high-velocity gas outflows in
: Future missions like the Nancy Grace Roman Space Telescope (formerly WFIRST) plan to measure thousands of Type Ia supernovae up to to better calibrate dark energy models. Other Uses of "1.7z" : Scientists have observed high-velocity gas outflows in
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