Aditya-L1 Mission: GK & Current Affairs For Competitive Exams

The Aditya-L1 Mission is ISRO’s first dedicated mission to study the Sun. It is a spacecraft that will be placed in a halo orbit around the Lagrange point L1 between the Earth and the Sun, where it will study the solar atmosphere in unprecedented detail.

Scientific Objectives

The primary scientific objectives of the Aditya-L1 Mission are to:

  • Study the dynamics of the Sun’s chromosphere and corona.
  • Investigate the heating mechanisms of the Sun’s corona.
  • Understand the origins of coronal mass ejections (CMEs).
  • Study the impact of solar activity on Earth’s space weather.

Payload

The Aditya-L1 spacecraft will carry seven scientific instruments, including:

  1. Visible Emission Line Coronagraph (VELC): This instrument will study the Sun’s corona in detail, including its temperature, density, and velocity.
  2. The Solar Ultraviolet Imager (SUVI): This instrument will image the Sun in ultraviolet light, which will allow scientists to study the solar atmosphere in more detail than is possible with visible light.
  3. Aditya-L1 Hard X-ray Imager (AHXI): This instrument will image the Sun in hard X-rays, which will allow scientists to study solar flares and other energetic phenomena.
  4. High Resolution Solar Physics Telescope (HRSPT): This instrument will provide high-resolution images of the Sun, which will allow scientists to study the fine structure of the solar atmosphere.
  5. Solar Magnetism Imaging Telescope (SMIT): This instrument will image the Sun in polarized light, which will allow scientists to study the Sun’s magnetic field.
  6. Plasma Analyzer for Solar Wind (PAS): This instrument will measure the composition and velocity of the solar wind.
  7. Particle Detector for Energetic Radiation (PEX): This instrument will detect energetic particles that are produced by solar flares and other energetic phenomena.

GK & Current Affairs on Aditya-L1 Mission

  1. What is Aditya L1 Mission?
    Ans. First Indian mission to study Sun
  2. Which of the following space agencies is responsible for the Aditya L1 mission?
    Ans. ISRO
  3. The Aditya L1 mission is a space-based mission of which country?
    Ans. India
  4. What is the launch date for the Aditya L1 Mission?
    Ans. 2 Sept, 2023
  5. Which layer of the Sun will the Aditya L1 mission primarily study?
    Ans. Corona
  6. Who is the Aditya L1 Mission Director?
    Ans. Nigar Shaji
  7. Aditya L1 will be launched from the
    Ans. Shriharikota Space Center
  8. ISRO’s space centre in Sriharikota is situated in
    Ans. Tirupati
  9. Where will the Aditya L1 spacecraft placed?
    Ans. In a halo orbit around the Sun-Earth L1 point
  10. Which rocket will be used to launch the Aditya L1 spacecraft?
    Ans. PSLV-C57
  11. What is the full form of PSLV?
    Ans. Polar Satellite Launch Vehicle
  12. How much time Aditya L1 will take to reach the sun?
    Ans. 4 months
  13. What is Aditya L-1 speed per hour?
    Ans. 500 km / hr
  14. The Aditya L1 spacecraft is expected to be powered by which type of power system?
    Ans. Solar panels
  15. Aditya L1 will carry _____ payloads?
    Ans. 7 Payloads
  16. What is the budget of Aditya L1 Mission?
    Ans. 5.5 Crore USD
  17. How long the spacecraft will travel under the Aditya L1 mission?
    Ans. 1.5 million kilometers
  18. What does L stand for in Aditya L1?
    Ans. Lagrange
  19. What is the main instrument onboard Aditya- L1 designed to observe the Sun’s outermost layer?
    Ans. Solar Ultraviolet Imaging Telescope (SUIT)
  20. The Aditya L1 spacecraft will be placed in a halo orbit around which point?
    Ans. Lagrange point 1 (L1)
  21. The Aditya L1 spacecraft is expected to weigh about how much?
    Ans. 2000 kg

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