MAGNETOSPHERE
WHAT IS MAGNETOSPHERE?
- It is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field.
- It is created by a celestial body with an active interior dynamo.
- The Earth’s magnetosphere is the region above the ionosphere.
- It protects the Earth from the charged particles of the solar wind and cosmic rays.
MAIN REGION OF EARTH’S MAGNETOSPHERE
- Bow shock: It occurs when the magnetosphere of the Earth interacts with the nearby flowing ambient plasma such as the solar wind.
- Magneto-sheath: It is the region of space between the magnetopause and the bow shock.
- Magnetopause: It is the boundary between the planet's magnetic field and solar wind.
- Northern & Southern Tail Lobe: The magnetosphere of the Earth contains two lobes.
- Plasmasphere: It is a region of the Earth's magnetosphere consisting of low energy /cool plasma.
- Solar winds: It is a stream of charged particles released from the upper atmosphere means the corona of the Sun.
WHAT IS COMPASS?
- A compass is a great tool for navigation.
- A compass point north because all magnets have two poles, a north pole and a south pole.
- The Earth’s Magnetic North Pole attracts the “north” ends of other magnets, it is technically the “South Pole” of our planet’s magnetic field.