Newly Found ‘Black Widow’ Binary Has Third Companion

Newly Found ‘Black Widow’ Binary Has Third Companion

The flash of a pulsar about 3,000 light-years from our solar system was caused by a ‘black widow’ binary consuming a smaller star. Intriguingly, a third companion star is orbiting the pair, which may have originated near the Milky Way’s center. Plus, the Sun is ramping up, Chandra releases more sonification videos, and this week’s What’s Up is all about occultations.

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Early Bacterial Life May Have Formed Far Earlier Than Thought

Early Bacterial Life May Have Formed Far Earlier Than Thought

An analysis of microscopic features in rocks from the Nuvvuagittuq Supracrustal Belt in Quebec, Canada, which date back between 3.75 and 4.28 billion years, finds evidence of possible microbial life. Plus, a supermassive black hole precursor, temperatures on Neptune, check-ins with various spacecraft, and our weekly What’s Up segment.

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