ISRO Aditya L1 Vs. NASA Parker Solar Probe Their Sun’s Study Mission

 ISRO Aditya L1 Vs. NASA Parker Solar Probe Their Sun’s Study Mission


ISRO Aditya L1 Vs. NASA Parker Solar Probe: Mission Overview

Aditya L1: India’s Solar Mission

Launch Date: Scheduled for September 2, via ISRO’s Polar Satellite Launch Vehicle (PSLV C-57).
Orbit: Positioned at the L1 Lagrange point, 1.5 million kilometers from Earth, ensuring uninterrupted solar observation.
Objective: Dedicated to studying the Sun’s activities and potential impacts on Earth’s technology.
Instruments: Carries seven specialized instruments to capture images, analyze particles, measure magnetic fields, and study the Sun’s layers.

Parker Solar Probe: NASA’s Solar Endeavor

Launch Date: Launched in 2018.
Orbit: Orbits within 3.9 million miles of the Sun’s surface, venturing into the scorching corona.
Objective: Study the solar corona, solar wind, high-energy particles, and understand solar dynamics and space weather.
Instruments: Equipped with four scientific instruments focusing on magnetic fields, plasma, energetic particles, and solar wind imaging.
Proximity to the Sun: A Key Contrast
Aditya L1: Positioned strategically at the L1 Lagrange point, offering continuous observation from a distance.
Parker Solar Probe: Unprecedentedly close to the Sun’s surface, within the corona, enduring extreme heat and radiation for direct data collection.


Differences in Payloads

Aditya L1’s Payloads

VELC: Captures images and spectral data of the solar corona, providing insights into its temperature, velocity, and density.
SUIT: Offers high-resolution imagery of the photosphere and chromosphere, aiding in understanding these essential solar layers.
SoLEXS: Observes soft X-rays, revealing surface activity on the Sun.
HEL1OS: Provides crucial hard X-ray data for insights into high-energy solar phenomena.
ASPEX: Enables in-situ analysis of solar wind particles, particularly protons and heavier ions.
PAPA: Analyzes electrons and heavier ions in the solar wind through in-situ observations.
Advanced Tri-axial High-Resolution Digital Magnetometers: Measures magnetic fields in the solar corona.


Parker Solar Probe’s Payloads

FIELDS: Studies magnetic fields.
ISIS: Investigates plasma.
WISPR: Images the solar wind.
SWEAP: Analyzes solar wind electrons, alphas, and protons.
ISRO Aditya L1 Vs. NASA Parker Solar Probe: Mission Objectives
Aditya L1: Continuous monitoring from a distance to provide insights into solar activities and their potential impacts on Earth’s technology.
Parker Solar Probe: Close encounters yield insights into solar wind acceleration, aiding predictions of satellite and communication system disruptions.
Solar Mission Landscape
Several other space agencies, including ESA, Japan, China, and Russia, have contributed to solar exploration.
In 2018, NASA launched the Parker Solar Probe in collaboration with ESA, aiming to make direct contact with the Sun’s corona.
The ‘Solar Orbiter’, a joint effort between NASA and ESA launched in 2020, aims to enhance understanding of the Sun’s influence on space.

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