Tabla de Contenidos:
  • Space Science in the Twenty-First Century: Imperatives for the Decades 1995 to 2015
  • Copyright
  • Foreword
  • Contents
  • 1 Introduction
  • 2 Scientific Goals and Recommendations
  • GOALS OF PLANETARY EXPLORATION
  • To understand the origin of the solar system.
  • To understand the evolution of the planets.
  • To learn what conditions lead to the origin of life.
  • To learn how physical laws work in large systems.
  • A BALANCED PLANETARY PROGRAM
  • A MARS FOCUS
  • SUMMARY OF RECOMMENDATIONS
  • Scientific Investigations
  • Technical Developments
  • International Collaboration3 Status of Planetary Science in 1995
  • OVERVIEW
  • State of Planetary Exploration as of 1995
  • Scientific Questions as of 1995
  • PLANETARY GEOSCIENCES
  • Scientific Objectives for Planetary Geosciences
  • Formation
  • Interior Structure, Dynamics, and Physical State
  • Crustal Evolution
  • Planet Morphology and Surface Processes
  • Measurement Objectives
  • The Inner Solar System
  • The Moon
  • Mercury
  • Venus
  • Mars
  • Internal Characteristics of the Inner Planets
  • Magnetic Fields of the Inner Planets
  • Atmospheric-Climatic Connections of the Inner PlanetsRocky Satellites
  • Satellites of Jupiter
  • Satellites of Saturn
  • Satellites of Uranus and Neptune
  • ATMOSPHERES
  • Earth, Mars, and Venus
  • Titan
  • Io and the Plasma Torus
  • Jovian Planets
  • RINGS
  • INTERIORS OF THE GIANT PLANETS
  • PLANETARY MAGNETISM
  • Generation of Planetary Magnetic Fields
  • Earth's Magnetic Field
  • Studying Planetary Magnetic Fields
  • PRIMITIVE BODIES AND THE ORIGIN OF THE SOLAR SYSTEM
  • The Origin of the Sun and Planets
  • Search for and Study of Other Planetary SystemsAsteroids, Small Satellites, and Meteorites
  • General Characteristics
  • Anticipated State of Knowledge in 1995
  • COMETS
  • General Characteristics
  • State of Knowledge in 1995
  • Questions in Cometary Science
  • Comet Measurements and Technical Requirements
  • 4 Future Programs
  • PROPOSED MISSIONS
  • Programs for Planetary Geosciences
  • Types of Missions
  • Planned Missions
  • Programs for the Outer Solar System
  • Types of Missions
  • Planned Missions
  • Future Missions and Programs for Primitive Bodies and the Origin of the Solar SystemA PROGRAM FOR INTENSIVE EXPLORATION OF MARS
  • Why Mars?
  • Scientific Objectives for a Mars Focus
  • Role of Humans in Intensive Mars Exploration
  • A Phased Approach
  • RECOMMENDATIONS
  • Exploration of the Solar System
  • Exploration of Mars