• Astronomers are one step closer to learning whether there is life beyond Earth, following the discovery of an exoplanet that’s able to emit a “coherent” radio signal.
• A magnetic field on a planet is the first sign it’s capable of being habitable as it prevents radiation.
• On Earth, our magnetic field extends from the molten iron in the planet’s core out into space and protects life from cosmic radiation and charged particles released from the Sun.

Tagged: Space