Surface life is abundant and very successful because of the availability of sunlight, surface water, generally moderate climate conditions, and
the protection of our magnetic field.
Not exact matches
Dangerous cosmic rays are deflected by the
magnetic field back out into space, and our atmosphere remains robust because
of this
protection.
Current astronauts are not as exposed to the damaging effects
of radiation, Davis says, because the International Space Station flies in an orbit low enough that the Earth's
magnetic field continues to provide
protection.
Because the telescope is so far away from Earth, it lacks the
protection of our planet's
magnetic field.
Outside
of the
protection of a star's
magnetic field, objects in space are bombarded with cosmic rays and interstellar dust and gas that gradually alter their surfaces and turn them very red in colour.
For reasons we don't entirely understand yet, Mars lacks this
protection and possesses only remnants
of a
magnetic field at its polar ice caps.
Magnetic fields were a critical factor in the development
of life on Earth, offering
protection from dangerous radiation and particles.
This implies that even planets in modestly inclined orbits can avoid a lot
of the worst effects
of CMEs or indeed miss them all together, certainly experiencing both dimished numbers and effects though, irrespective and probably much greater than any additional
protection they might gain from an indigenous
magnetic field.
Without the
protection of the Earth's
magnetic field, cosmic rays and solar radiation bombard tissue and cells, inflicting damage that could cause disease.
Today, Earth enjoys a layer
of protection from the high - energy particles
of solar storms due to its strong
magnetic field.
I gave one example, the potential collapse
of the Earth's
magnetic field and the resulting damage to plants and animals without the
protection it provided.