Science How do you measure an exoplanet's magnetic field? Scientists unravel mystery.

Scientists have applied a new technique to measure the magnetic field of HD 209458b, a planet some 150 light years from our solar system. 

By , Sen

NASA, ESA, G. Bacon (STScI)

Sen—Scientists have developed a new method to tell the character of a distant exoplanet's magnetic field. And they have used it for the first time ever to estimate how this natural force field is twisted around the planet HD 209458b.