00:00The sun protects Earth from deep space radiation.
00:03You've seen it shield your whole life.
00:05It blasts out solar wind, an invisible force.
00:09This pushes away deadly cosmic rays.
00:12Without this constant protection, our planet would be unsafe.
00:16Life as we know it couldn't exist.
00:18This massive cosmic shield is called the heliosphere.
00:22It's a bubble protecting our entire solar system.
00:25Want to grasp more mind-blowing science like this?
00:27Find the full story in the link in bio.
