Assertion: magnetic field | /r/CapableOf | form shield
Facets:
Source sentences:
text: The Earth's magnetic field extends outward from the Earth forming a shield which focuses cosmic rays towards the magnetic poles and away from other latitudes.
text: New research has shown in the most detail yet how rapidly Earth's magnetic field - which acts like a shield to protect us from harsh solar winds and cosmic radiation - is changing, getting weaker over some parts of the world, and strengthening over others.
text: A planet's magnetic field forms a shield protecting the planet's surface from energetic, charged particles coming from the Sun and other places.