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This comprehensive, broad-based and authoritative survey of discoveries in planetary astronomy and geology synthesis contains many important results from space exploration programs such as Viking Studies on Mars, geological results from studies of lunar rocks, probes of Venus, and photographs of...
Lunar Meteoroid Impacts and How to Observe Them by Brian Cudnik Pdf
The genesis of modern searches for observable meteoritic phenomena on the Moon is the paper by Lincoln La Paz in Popular Astronomy magazine in 1938. In it he argued that the absence of observed fashes of meteoritic impacts on the Moon might be interpreted to mean that these bodies are destroyed as luminous meteors in an extremely rarefed lunar atmosphere. The paper suggested the possibility of systematic searches for such possible lunar meteors. With these concepts in mind, I was surprised to note a transient moving bright speck on the Moon on July 10, 1941. It appeared to behave very much as a lunar meteor would – except that the poorly estimated duration would lead to a strongly hyperbolic heliocentric velocity. Thus, the idea of systematic searches for both p- sible lunar meteors and meteoritic impact fashes was born. It was appreciated that much time might need to be expended to achieve any positive results. Systematic searches were carried out by others and myself chiefy in the years 1945–1965 and became a regular program at the newly founded Association of Lunar and Planetary Observers, or ALPO.
Written by a well-known author, scientist, and painter, Moon and Planets remains a unique classic in the field through its organization by physical subjects, such as planetary surfaces, planetary interiors, atmosphere, etc. Only this approach allows true comparative planetology (i.e., presentation of general physical principles, such as volcanism, tectonic evolution, mantle convection, cratering processes, and atmosphere temperature structure, followed by applications to various individual planets, satellites, and interplanetary bodies).
As large as Earth seems to us, it is just one small planet among many. Readers will voyage across the Solar System to learn about each planet’s distinct features with succinct information and vivid diagrams. Finishing with a fun quiz, readers will come away with a lasting fascination for space and its many wonders.
The Solar System investigates the area of space that Planet Earth occupies. It looks at the planets that orbit the Sun, their moons and other features and gives a detailed account of space exploration from its early days right up to the present day. Find out about comets, asteroids and meteorites and the chances of one hitting Earth!!
Kaboom! About 4.6 billion years ago, a swirling gas cloud comprised of carbon dust, hydrogen, helium, water and ice collapsed under its own gravity, creating an enormous explosion the -- a big bang, so to speak. As it contracted, the solar system we know today began to take shape. In The Solar System, readers journey back billions of years, to witness the birth of the planets, stars, and more. This insightful book features the following. * The celestial bodies that make up our fascinating solar system are explored with a team of scientists and experts . * This book offers provocative research of the nine major planets, their largest moons, famous comets and asteroids, and illuminates the amazing details of their creation, development and discovery. * Unique spreads contain detailed descriptions, important data tables, intriguing graphics and lavish artworks of the planets, moons and other key celestial bodies. * Interesting speculation is discussed about the possibility one day -- perhaps in the year 2515 -- of people inhabiting the moon. * Fascinating information and more than 500 spectacular color illustrations and photographs add to this insightful book.
Earth, Moon, and Planets by Fred Lawrence Whipple Pdf
The increase in our knowledge of the solar system during the five years since the author last revised this book (1963) greatly exceeds that in the previous two decades. The program of the U.S. National Aeronautics and Space Administration and the space program of the U.S.S.R. have been prime contributors to this rapid progress, but the impetus has carried over to groundbased studies of the Moon and planets as well. The advances in radio and radar astronomy alone are striking, and are continuing at an accelerating pace. This third edition of Mr. Whipple's popular and authoritative book is thoroughly revised in light of this new knowledge. The most extensive revisions are in the chapters on the Moon, Mars, and Venus--the members of the solar system on which the various space programs have concentrated. The author has included many new and dramatic illustrations in this third edition, among them photographs taken from U.S. and Russian space craft. There are striking photographs of the Moon, with close-up views of its surface texture, pictures of Mars taken from Mariner IV, and radar pictures of Venus that "see through" that planet's obscuring cloud layer. The book is written in nontechnical language and with a lucid, witty style that is readily understandable to the interested layman. Mathematics has been avoided, and scientific methods and processes are described in simple terms. In presenting the latest information about the planets and their moons, Mr. Whipple discusses their origin and evolution, motions, atmospheres, temperatures, surface conditions, the environment essential for life as we know it, and the possibilities of life outside the Earth. He concludes with a discussion of current theories about the origin of the solar system.
Seven Wonders of Asteroids, Comets, and Meteors by Ron Miller Pdf
From earliest times, humans have wondered about the sky above them and have studied all visible objects. People began to identify differences between stars and planets, and as technology advanced with telescopes and space probes, they sought deeper understanding of the millions of bits of debris rocketing through the solar system. Scientists determined that most of these objects are left over from the creation of the planets and their moons. They classified these leftovers into categories such as asteroids, comets, and meteors. In this book, we'll explore seven wonders of asteroids, comets, and meteors. Ceres is a huge mountain-sized asteroid that orbits with other asteroids between Mars and Jupiter. Other marvels include Ganymede, the largest asteroid in the group called Earthgrazers or Near-Earth Objects, and Halley's comet, a ball of ice, that passes Earth every seventy-five or so years. We'll also explore the amazing impact that space debris can have on planets and moons. The Borealis Basin, a wondrous crater more than 5,000 miles across, formed when an asteroid collided with Mars in the ancient past. Then we will travel to the far-off Kuiper belt, where as many as 200 million icy bodies orbit, and wonder at the mystery of planetlike objects, such as Pluto and Charon. Finally, we’ll can experience a space wonder firsthand by standing outside on a night in August to watch the spectacular Perseid meteor shower fill the sky.