Q. As of now, which of the following countries has/have sent a mission to study Sun?
  1. India
  2. China
  3. Japan
  4. USA
Select the correct option from codes given below:

Answer: 1, 2, 3 & 4
Notes:
  1. India - India has launched Aditya-L1 mission to study the Sun's corona in 2023.
  2. China - China has launched a number of solar observation satellites including Fengyun-3, Taiyangxhong-1, and the upcoming Advanced Space-based Solar Observatory (ASO-S).
  3. Japan - Japan launched the Hinode (Solar-B) mission in 2006 to study the Sun's magnetic field and how it generates solar flares.
  4. USA - NASA has launched many solar missions like the Solar Dynamics Observatory (SDO), Parker Solar Probe, and collaboration on Hinode.