GKwizard What phenomenon causes the Northern and Southern Lights? A. Solar flares B. Earth's magnetic field C. Asteroid impacts D. Gravitational waves Answer: Option B Earth's magnetic field is the correct answer based on standard astronomy and ISRO facts.
1 Who was the founder of ISRO? A. Vikram Sarabhai B. Homi J. Bhabha C. A.P.J. Abdul Kalam View Answer