Tags: space, galaxies, colliding, billion, light, earth, million, light-year-long, stream, dark, matter, filament, pouring, nasachandra
Tags: space, nasas, hubble, cosmic, caterpillar, light-year-long, knot, interstellar, dust, resembles, feast
Tags: space, -light-year-long, stretch, andromeda, galaxy, largest, nasa, hubble, telescope, image, assembled
Tags: space, nasas, hubble, cosmic, caterpillar, light-year-long, knot, interstellar, dust