Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...
Biggish bang: false colour X-ray image of the remnant of Tycho’s type Ia supernova, which was observed in 1572. New research suggests that such supernovae can be ignited by primordial black holes.
This image shows stars in the ultra-faint dwarf galaxy, Pictor II. Pictor II is a satellite galaxy of the Large Magellanic Cloud, which is a satellite galaxy of the Milky Way, and is located in the ...
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