Space weather

  • IASbaba
  • September 22, 2021
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Space weather

Part of: GS-Prelims 

In News: A recent study has shown how conditions and events in the solar atmosphere like coronal mass ejections influence the accuracy of space weather prediction, which is crucial for the health of our satellites. This understanding will aid the interpretation of data from the upcoming Aditya-L1, India’s first solar mission.

  • Space weather refers to the conditions in the solar wind and near-Earth space, which can adversely affect the performance of space-borne and ground-based technological systems.
  • The space weather near the Earth is mainly due to Coronal Mass Ejections (CMEs), which are frequent explosive expulsions of huge magnetized plasma from the Sun into its surroundings, which can blow past the Earth. Sun emits a continuous stream of charged particles called the Solar Wind.
  • Example of space weather events is the geomagnetic storm, a perturbation in the Earth’s magnetic field, which can last for few hours to few days. Understanding of how events in the solar atmosphere influence space weather is necessary for monitoring and maintaining our satellites.

News Source: PIB

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