A clus­ter of stars, or comets?

All About Space - - Launch Pad -

This spec­tac­u­lar im­age pro­duced by both ESO’s Ata­cama Large Mil­lime­tre/sub­mil­lime­tre Ar­ray (ALMA) in Chile and NASA's Hub­ble shows the glis­ten­ing stars in the clus­ter Wester­lund 1 and their comet-like characteristics. In some of the most gi­ant stars in Wester­lund 1 there ap­pears to be comet-like ‘tails’ which are cre­ated by re­lent­less winds form­ing

thick strands of ma­te­rial be­ing car­ried out­ward.

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