How Aliens or Predators might find us

82 known stars (blue dots) within 3,500 light-years of Earth can see our planet cross in front of the Sun.

Aliens-that-could-find-Earth

Full story at Sciencenews.org

Photo: E. Otwell, C. Crockett; Source: R. Heller and R.E. Pudritz/Astrobiology 2016