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April Friday 28, 2017 at 14:35
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Today's National Headlines

US tells UN Security Council failure to act on North Korea could be catastrophic...

Marine Le Pen's campaign dogged by furore over new party leader's Holocaust comments...

Donald Trump's first 100 days marked by 'American carnage', the Washington swamp, and the 'bigness' of it all...

Wikipedia's Katherine Maher on free knowledge in the age of mass surveillance...

Like Hollywood but with dirty money, welcome to London's richest suburbs...


Today's Picture

Some 60 million light-years away in the southerly constellationCorvus , two large galaxies are colliding .Stars in the two galaxies, cataloged as NGC 4038and NGC 4039 , very rarely collide in the course of the ponderous cataclysm thatlasts for hundreds of millions of years.But the galaxies' large clouds of moleculargas and dust often do, triggering furiousepisodes of star formation near the center of the cosmic wreckage .Spanning over 500 thousand light-years, this stunning view also reveals new star clusters andmatter flung far from the scene of the accident by gravitationaltidal forces.The remarkable mosaicked image was constructedusing data from the ground-based Subaru telescopeto bring out large-scale and faint tidal streams, andHubble Space Telescope data of extreme detail in thebright cores.The suggestive visual appearance of the extended arcing structures gives the galaxy pair its popular name - The Antennae.


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