Astronomers detected a black hole displaced nearly a kiloparsec from the center of a dwarf galaxy 230 million light-years ...
Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe.
A useful reference for understanding the PDF file format and the eventual usage of this library is the PDF 1.7 Reference Document. The PDF 2.0 specification is available here. lopdf now includes full ...
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