Flying Saucers -

Menzel Donald H. : Donald H. Menzel was Director of Harvard College Observatory, Paine Professor of Practical Astronomy, and Professor of Astrophysics at Harvard University. PREFACE CONTENTS 1. The saucers start to fly 2. Flying saucers seen from the air 3. Flying saucers seen from the ground 4. Hoaxers and jokers 5. The scientific detective 6. The flying–saucer scare of 1897 7. The great saucer of 1882 8. The unknown lights of Japan 9. “Strange signes from Heaven” 10. Flying saucers of the Bible 11. The invasion from Mars 12. The little men from Venus 13. Sight and saucers 14. How far away is a rainbow? 15. Ice crystals in the sky 16. Lenses of air 17. The aurora borealis 18. Comets, meteors, and other astronomical apparitions 19. The galloping ghosts of radar 20. Interplanetary saucers and space travel 21. Visits to Mars and Venus 22. What to do if you see a flying saucer Appendix: THEORY OF MIRAGES Notes Index Author, Donald Menzel and Publisher, Harvard