See explanation. At any instant -facing hemisphere of the Earth has a zenith and a nadir. The latitude difference for these points is nearly ##180^o##. If […]
The most famous astronomers are Hipparchus (in ancient times) Galileo (in medieval times) and Hubble (of modern times). Hipparchus is believed to be the founding father […]
Because it can survive from the very hot temperature of other planets cannot stay longer if they’re the closest. It is because Mercury is the fastest-moving […]