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Hubble catches unusual galaxy duo by the 'Hare'

News Agencies | Updated on: 13 May 2017, 15:05 IST
(ANI)

NASA's Hubble Space Telescope has spotted a peculiar object in the Hare constellation that's made up of two individual galaxies, speeding past each other at more than 2 million kilometres per hour.

Hubble's Wide Field Camera 3 (WFC3) and Advanced Camera for Surveys (ACS) instruments observed the IRAS 06076-2139 galaxy from a distance of 500 million light-years.

This particular object stands out from the crowd by actually being composed of two separate galaxies rushing past each other at about 2 million kilometres per hour.

This speed is most likely too fast for them to merge and form a single galaxy. However, because of their small separation of only about 20,000 light-years, the galaxies will distort one another through the force of gravity while passing each other, changing their structures on a grand scale.

Such galactic interactions are a common sight for Hubble, and have long been a field of study for astronomers. The intriguing behaviours of interacting galaxies take many forms; galactic cannibalism, galaxy harassment and even galaxy collisions.

The Milky Way itself will eventually fall victim to the latter, merging with the Andromeda Galaxy in about 4.5 billion years. The fate of our galaxy shouldn't be alarming though: while galaxies are populated by billions of stars, the distances between individual stars are so large that hardly any stellar collisions will occur.

-ANI

First published: 13 May 2017, 15:05 IST
 
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