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Can ISRO’s Aditya L1 mission face any danger after NASA’s Parker Solar Probe faces most powerful CMEs? 

  • September 21, 2023
  • Posted by: OptimizeIAS Team
  • Category: DPN Topics
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Can ISRO’s Aditya L1 mission face any danger after NASA’s Parker Solar Probe faces most powerful CMEs? 

Subject: Science and technology

Section: Space technology

Aditya L1 Mission:

  • India’s first solar exploration mission aimed at studying the Sun in detail.
  • Payloads: Carries seven distinct payloads.
  • The latest update from ISRO indicates that the Aditya L1 Mission has successfully executed the Trans-Lagrangean Point 1 Insertion (TL1I)maneuver, positioning it on a trajectory toward the Sun-Earth L1 point.
  • Aditya L1 has commenced collecting scientific data on the Sun.
  • Arrival Timeline: Aditya L1 is anticipated to reach its designated L1 orbit around the Sun approximately 126 days (about 4 months) after its launch.

Understanding Coronal Mass Ejections (CMEs):

  • Coronal Mass Ejections (CMEs) are massive eruptions of solar plasma and magnetic field from the Sun’s corona.
  • Space Weather Impact: CMEs influence space weather, potentially causing disruptions to satellites, communication systems, navigation technology, and even power grids on Earth.

Parker Solar Probe’s CME Encounter:

  • On September 5, 2022, NASA’s Parker Solar Probe encountered one of the most powerful coronal mass ejections (CMEs) ever recorded.
  • This encounter was not only an impressive engineering feat but also a significant scientific discovery.
  • NASA collected valuable data about the CME and its effects during this encounter.

Potential Threats to Aditya-L1 Mission:

  • Aditya L1 is on a trajectory to enter a halo orbit around Lagrange Point 1 (L1).
  • Lagrange Point 1 is located approximately 1.5 million kilometers (about 1 million miles) from Earth (accounting for roughly 1 percent of the Earth-Sun distance)
  • Solar Storm Expectation: Aditya L1 may potentially encounter solar storms during its journey, particularly due to the expected peak in solar activity.
  • Distinct Proximity: Aditya L1’s proximity to the Sun is notably different from that of NASA’s Parker Solar Probe, which orbits at a much closer distance, approximately 6.9 million kilometers (about 4.3 million miles) from the Sun’s surface.
  • Parker Solar Probe’s CME Encounter: To put it in perspective, the Parker Solar Probe previously faced CMEs when it was at a distance of approximately 9.2 million kilometers(about 5.7 million miles) from the solar surface, significantly closer than Aditya L1.
Can ISRO's Aditya L1 mission face any danger after NASA's Parker Solar Probe faces most powerful CMEs? Science and tech

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