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Researchers at Italy's National Institute for Astrophysics discovered a celestial map believed to be from between 1800 to 400 BC. Scientists say there's one star on it that doesn't match our sky. When ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Undergraduate student Emmanuel Aquino looks at the Celebration of Celestial Maps Through the Ages ...

Image: sky map of the 295 defining sources of ICRF2. The dashed line represents the ecliptic and the solid line is the galactic plane. Credit: Dave Boboltz / USNO NASA: Many of us have been rescued ...

Many of us have been rescued from unfamiliar territory by directions from a Global Positioning System (GPS) navigator. GPS satellites send signals to a receiver in your GPS navigator, which calculates ...