By Andrew S. Rivkin
ISBN-10: 0313344329
ISBN-13: 9780313344329
ISBN-10: 0313344337
ISBN-13: 9780313344336
This quantity within the Greenwood publications to the Universe sequence covers asteroids, comets, and dwarf planets—those small our bodies that revolve the Sun—and offers readers with the main up to date knowing of the present nation of clinical wisdom approximately them. Scientifically sound, yet written with the coed in brain, Asteroids, Comets, and Dwarf Planets is a superb first step for studying the intriguing medical discoveries of the smallest celestial our bodies within the sun system.
The e-book will introduce scholars to all the components of analysis surrounding the topic, answering many interesting questions. It defines a dwarf planet and explains why Pluto is one. It appears at how such small our bodies shape, what they're made from, and how much atmospheres may perhaps they've got. And it asks—and answers—whether asteroids, comets, and dwarf planets current a possibility to the Earth or to spacecraft.
Read or Download Guide to the Universe: Asteroids, Comets, and Dwarf Planets (Greenwood Guides to the Universe) PDF
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Additional info for Guide to the Universe: Asteroids, Comets, and Dwarf Planets (Greenwood Guides to the Universe)
Example text
He correctly deduced that these groups, which he called families, could have formed from the breakup of objects with the fragments remaining in similar orbits. These groups are now called dynamical families, or Hirayama families after their discoverer. Dynamical families are still under study today, as they provide unique opportunities to observe the effects of disruption and how the surfaces of asteroids change with time. KEEPING TRACK OF TRACKS With the increase of asteroid discoveries came an increase in the number of orbits to catalog.
This pull depends strongly on the mass of the object, and even more strongly on the distance to the object. For most objects in the solar system, the pull of the Sun dwarfs the pull from every other object, and everything other than the Sun can be ignored. For planetary satellites, the parent planet has a much stronger pull than the Sun, and the Sun is usually ignored. RESONANCES After the Sun, the most massive object in the solar system is Jupiter. Jupiter’s gravity has had a profound effect on the orbital distribution of the asteroids and comets throughout solar system history.
3 The appearance of Comet Halley in European skies colonization and mining, asteroid in the early 1300s inspired the Italian painter Giotto to colonies became settings for stories include it as a representation of the Star of Bethlehem. inspired by the Gold Rush and the Nearly 700 years later, the European Space Agency recog- old American West. On the other nized Giotto’s cometary art by naming their first mission to hand, the potential hazard they Comet Halley after him. Scala/Art Resource, New York.
Guide to the Universe: Asteroids, Comets, and Dwarf Planets (Greenwood Guides to the Universe) by Andrew S. Rivkin
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