Our Wonderful UniverseAstronomy is one of the oldest branches of science. It has fascinated humanity from the earliest times. Huge advances have been made since Clarence Augustus Chant's acclaimed work, Our Wonderful Universe, was first published in 1928. We have sent humans into space and walked on the moon. Spacecraft have landed on Mars, and the International Space Station, a joint project among five space agencies, has been continuously occupied by humans since