Space Explorers: From Earth to Infinity

Space Explorers: From Earth to Infinity — page 1
Introduction Exploration beyond our world began in 1957 when the world’s first artificial satellite Sputnik 1 was fired into space The Russian Yuri Gagarin became the first human in space in 1961 and just eight years after that US astronauts Neil Armstrong and Buzz Aldrin set foot on the Moon But the Moon is as far as humans have ventured so far All missions farther than the Moon have been carried out by uncrewed space probes Will humans join machines to explore deep space in the future Read on to find out www.crabtreebooks.com Sputnik 1 was a 23-inch 58 cm metal sphere Long radio antennas beamed signals back to Earth