Facts for Prelims (FFP)
Source: TH
Context: Scientists from the Indian Institute of Astrophysics (IIA) have made progress in identifying the source of the Solar Mean Magnetic Field (SMMF), which influences interplanetary magnetic space and plays a significant role in space weather.
What is Solar Mean Magnetic Field (SMMF)?
The Solar Mean Magnetic Field (SMMF) refers to the average strength and direction of the magnetic field on the surface of the Sun.
Findings:
- The researchers found a strong similarity between the SMMF at chromospheric heights and the SMMF at photospheric heights, suggesting that the sun’s primordial magnetic field could be the source of the SMMF.
- Understanding the source and driving parameters of the SMMF could enhance our understanding of how it affects the IMF and space weather.
Application of SMMF:
The Solar Mean Magnetic Field (SMMF) has various applications in the field of space weather. For example, by studying the SMMF, scientists can better predict and understand phenomena such as solar flares and coronal mass ejections. These events can have a significant impact on Earth’s magnetic field, leading to geomagnetic storms and disruptions in satellite communication and power grids.
