UPSC Mains General Studies Paper I Topic: Geography of the World Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.  July 2018 Lunar Eclipse Longest eclipse of the 21st century. It occurred for around 1 hour 43 minutes. What is a Lunar Eclipse? A Lunar Eclipse (Chandra Grahan) is when one can’t see the moon at night because its position is relative to the sun and earth ensures thatRead More