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Cosmology

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MACS J1149

FAR OUT  The gravity of the huge galaxy cluster MACS J1149 bent the light from a bright blue star (one of the faint points of light just above and to the left of the super bright central star in this image), letting it reach us from 9 billion light-years away.

illustration of LISA satellite

IN THE BALANCE A trio of freefloating spacecraft called  LISA (one of the satellites illustrated) will search for gravitational waves from space in a mission expected to launch in 2034.

simulation of cosmic void

GLOWING THREADS  Simulations like the Millennium Simulation Project show glowing galaxies clumping along cosmic filaments. But the Milky Way lives in the dark no-man’s-land between the threads.

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