Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom ...

Superclusters are large collections of galaxy clusters, groups, and individual galaxies that are typically not gravitationally bound to each other. For example, our Milky Way Galaxy is located on ...

It seemed that these redshifted galaxies were all moving away from the Milky Way. Hubble's results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got the ...