Arp 240: A Bridge between Spiral Galaxies from Hubble

Pubblicata il: 29/11/2016
Arp 240: A Bridge between Spiral Galaxies from Hubble
Fonte: WWW.GILMOR.IT

Why is there a bridge between these two spiral galaxies? Made of gas and stars, the bridge provides strong evidence that these two immense star systems have passed close to each other and experienced violent tides induced by mutual gravity. Known together as Arp 240 but individually as NGC 5257 and NGC 5258, computer modelling… Read More »

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