Hub­ble cap­tures a cor­nu­copia of gal­ax­ies

All About Space - - Launch Pad -

A brief glance at this stun­ning im­age cap­tured by the longserv­ing Hub­ble Space Tele­scope and you’ll im­me­di­ately re­alise that it’s dom­i­nated by the bright swirling spiral in the lower left. How­ever, look closely and you’ll see a galaxy clus­ter be­hind it. It’s known as SDSS J0333+0651 and it helps as­tronomers get an un­der­stand­ing of the dis­tant – and there­fore early – uni­verse. In par­tic­u­lar, al­low­ing re­searchers to look at star-for­ma­tion re­gions up close.

Clus­ters where gal­ax­ies swarm to­gether are quite com­mon, gath­ered up by grav­ity to form groups. In fact, our very own Milky Way is a mem­ber of the Lo­cal Group, which is part of the Virgo Clus­ter and, in turn, is part of the im­pres­sive 100,000-galaxy-strong La­ni­akea su­per­clus­ter.

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