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Πηγή: Who Killed the Iceman?
Source: Measuring a Black Hole 660 Million Times as Massive as Our Sun | Media Relations
Source: Scientists find a tailless comet from Earth’s early days
More than half the world’s population has no access to paved roads, so engineers are using an old technology to bring trucking to the sky. Source: Helium Dreams – The New Yorker
Source: Watch the Destruction of Pompeii by Mount Vesuvius, Re-Created with Computer Animation (79 AD) | Open Culture