What is the Halley's Comet and when was it discovered? More importantly, who discovered it and in what circumstances. Further, what makes the Halley's Comet different from all the other comets that have been observed so far? All these questions, along with other facts, will be explained in this learner's book for children.
What is the Halley's Comet and when was it discovered? More importantly, who discovered it and in what circumstances. Further, what makes the Halley's Comet different from all the other comets that have been observed so far? All these questions, along with other facts, will be explained in this learner's book for children.
