Atoms-for-Peace: A galactic collision in action

Atoms-for-Peace is the curious name given to a pair of interacting and merging galaxies that lie around 220 million light-years away in the constellation of Aquarius. It is also known as NGC 7252 and Arp 226 and is just bright enough to be see…

Distant star’s sound waves reveal cycle similar to sun

In a bid to unlock long-standing mysteries of the sun, including the impacts on Earth of its 11-year cycle, an international team of scientists has successfully probed a distant star.
By monitoring the star’s sound waves, the team has observ…

Nasa finds 'cocoon' inside the Black Widow's web

NASA’s Chandra X-ray Observatory image of the mysterious “Black Widow” pulsar reveals the first direct evidence of an elongated cocoon of high-energy particles. (A pulsar is a rotating neutron star producing powerful beams of radiation that sweep like a searchlight.) This discovery shows this billion-year-old rejuvenated pulsar is an extremely efficient generator of a high-speed flow of matter and antimatter particles.

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