Basics of Astronomy
Basics of Astronomy The most incomprehensible thing about the Universe is that it is comprehensible. - Albert Einstein When you look up at the Moon on a full moon day, you see a very bright white colored disk in the sky. On the disk, you also see few dark colored spots. This view alone can explain so many things of Basic Astronomy. Like, the light of moon is nothing else but is reflected sunlight. Moon does not produce its own light. This understanding was not there few hundred years ago. The dark spots on the moon are nothing else but huge craters formed by bombardments of meteorites over the course of billions of years. The craters are deep and thus shadows form resulting in gray colored spots on the surface of the moon. Moon is at an average distance of 3,84,000 Kilometres from us or 0.384 million Kilometres and in comparison Sun is at a distance of 15 crore Kilometres (15 million Kilometres). More or less, we find the size of both Sun and Moon almost same. But, if you kn...
