The most mysterious star in the universe | Tabetha Boyajian
Something massive, with roughly 1000 times the area of Earth, is blocking the light coming from a distant star known as KIC 8462852, and nobody is quite sure what it is. As astronomer Tabetha...
========== Extraordinary claims
require extraordinary evidence, and it is my job,
my responsibility, as an astronomer to remind people that alien hypotheses
should always be a last resort. Now, I want to tell you
a story about that. It involves data from a NASA mission, ordinary people and one of the most
extraordinary stars in our galaxy. It began in 2009 with the launch
of NASA's Kepler mission. Kepler's main scientific objective was to find planets
outside of our solar system. It did this by staring
at a single field in the sky, this one, with all the tiny boxes. And in this one field, it monitored the brightness
of over 150,000 stars continuously for four years, taking a data point every 30 minutes. It was looking for what
astronomers call a transit...