“Planets and Space Travel” by Sanford Simmons. Garden City: Doubleday & Co., (1958)
“Articles on Space Exploration, Quizzes, Puzzles, Humor” and dozens of Factoids like the following:
“Just how heavy is this sphere called earth? Well, in round figures, it totals 6,600,000,000,000,000,000,000 tons! Huge as it is, the earth rushes rapidly across the heavens. Each day, it rotates on its axis – making the complete spin in just four minutes less than 24 hours. It is also moving at the terrific speed of 18.5 miles per second in its long voyage around the sun. This trip – which takes place once a year – covers 600 million miles. . .”
[Note: Then there's the journey around the Milky Way. Our sun and solar system orbit the Milky Way at the dizzying speed of 143 miles per second, completing an orbit in 230 million years.]
“Planets and Space Travel” by Sanford Simmons. Garden City: Doubleday & Co., (1958)
“Articles on Space Exploration, Quizzes, Puzzles, Humor” and dozens of Factoids like the following:
“Just how heavy is this sphere called earth? Well, in round figures, it totals 6,600,000,000,000,000,000,000 tons! Huge as it is, the earth rushes rapidly across the heavens. Each day, it rotates on its axis – making the complete spin in just four minutes less than 24 hours. It is also moving at the terrific speed of 18.5 miles per second in its long voyage around the sun. This trip – which takes place once a year – covers 600 million miles. . .”
[Note: Then there's the journey around the Milky Way. Our sun and solar system orbit the Milky Way at the dizzying speed of 143 miles per second, completing an orbit in 230 million years.]