Hubble's image of two colliding galaxies, known as Arp 142, show how a small galaxy's gravity has shredded a once-large spiral into a birdlike figure.
from Livescience https://ift.tt/upRCKfV
from Livescience https://ift.tt/upRCKfV
For the precocious hunter of off-Earth life, the Drake equation is the ever-ready, go-to toolkit for estimating just how (not) lonely humans are in the Milky Way galaxy. But it's not useful. from Live Science http://bit.ly/2T8L56y
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