🛰️
The Satellite Cookbook
  • The Satellite Cookbook: Or How To Build A Satellite
  • Index
  • 🔧Part I: Space Mission Engineering
    • Introduction
      • What is Space Mission Engineering?
      • History
      • Technology, Applications, Economics
      • Key Players
    • Concurrent Engineering
      • Process
      • Objectives, Constraints, Requirements
      • Concept Definition
      • Mission Analysis & Utility
      • Formal Requirements
    • Space Environment
      • Space Environment and Space Weather
      • Earth's Magnetic Field
      • Radiation Belts
      • Microgravity
      • Orbital Debris
    • Astrodynamics & Mission Analysis
      • Space Geometry
        • Applications
        • Parameter Computation
        • Relative Motion
      • Orbits & Astrodynamics
        • Keplerian Orbits
        • Orbits of the Moon and Planets
        • Terminology
        • Orbit Perturbations, Geopotential Models, and Satellite Decay
        • Specialised Orbits
        • Orbit Maneuvers
        • Summary: Rules of Practical Astrodynamics
      • Orbit Design
        • Orbit Selection and Design Process
        • Orbit Performance
        • Orbit Cost
        • Selecting Earth-Referenced Orbits
        • Selecting Transfer, Parking, and Space-Referenced Orbits
        • Constellation Design
        • Interplanetary Orbits
    • Cost Estimating
      • Introduction to Cost Estimating
      • Estimating Tools
        • Botto-up Cost Estimator
        • Parametric Cost Estimators
        • Experience Based Cost Estimators
    • Financing & Law
      • Sources
        • Africa
        • Asia
        • Europe
        • North America
        • Oceania
        • South America
      • GAAP, Amortization and Return on Investment (ROI)
      • Law and Policy Considerations
  • 🛰️Part II: Spacecraft & Payload Design
    • Overview of Spacecraft Design
      • Spacecraft Design Process
      • Space System Design Drivers
      • Spacecraft Configuration Alternatives
      • Partitioning Spacecraft into Subsystems
      • Preliminary Spacecraft Budgets
        • Spacecraft Budget Tools
      • Design Evolution
      • Future of Spacecraft Design
    • Payload
      • Overview of Payload Design
        • Types of Space Payloads
        • Tradeoffs
        • Payload Design
        • Electromagnetic Spectrum
      • Communication Payloads
        • Space Mission Communications Architecture
        • Link Analysis
        • Payload Design
      • Observation Payloads
        • Payload Design
        • Payload Sizing
        • Evolution
    • Propulsion
      • Basic Rocket Equations
      • Staging
      • Chemical Propulsion Systems
      • Plume Considerations
      • System Design Elements
      • Electric Propulsion
      • Alternative Propulsion Systems
    • Subsystems
      • Control Systems
        • Attitude Determination and Control
        • Trajectory Navigation and Control
      • On Board Data Handling
        • Computer System Baseline
        • Preliminary Design
      • Communications
        • Power
        • Telemetry, Tracking, and Command (TT&C)
      • Power
      • Structure & Configuration
      • Thermal
    • Logistics and Manufacturing
    • Risk
    • Alternative Designs
  • 🚀Part III: Launch & Operations
    • Launch Vehicles
      • Vehicle Selection
      • History
      • Basic Mechanics of Launch
      • Launch Environments
      • Available Vehicles
    • Launch Operations
      • Launch Sites and Launch Restrictions
      • Launch Site Preparation
      • Readiness Reviews
      • Launch Site Access
      • Launch Site Training
      • Transporting the Spacecraft to the Launch Site
      • Launch Site Processing
      • Launch Day
      • Post Launch and Early Operations
      • Modernising Launch Operations
      • Common Mistakes
    • Ground System
      • Antenna Services
      • Data Accounting and Distribution Services
      • Ground System Driving Requirements and Sizing
      • Technology Trends
    • Mission Operations
      • Mission Planning and Operations Development
      • Mission Execution
      • Mission Termination and Post-Mission Activities
      • Best Practices
      • Future of Mission Operations
    • End of Mission
      • IADC End of Mission Guidelines
      • LEO Disposal Options
      • Non-LEO Disposal Options
      • Passivation
      • Disposal Planning
  • Ethics & Philosophy
    • Space exploration
    • Vanity projects
    • Is it worth it?
  • Additional reference material
    • ESA and ECSS documents
    • Satellite orbit and range parameters
    • Example mass and power budgets
    • Satellite Missions Catalogue
  • Build Your Own
  • Databases
    • CEOS ESA Database - Catalogue of Satellite Missions
  • Case study's
    • Radar Constellation
    • On-Orbit Servicing and Debris Removal
    • Mars
    • Starlink
  • Contact
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  1. Part I: Space Mission Engineering
  2. Space Environment

Earth's Magnetic Field

The Earth's magnetic field protects us from harmful space radiation, but can also deflect some of the solar wind away from our planet. This can cause problems for satellites and astronauts, as well as disrupt communications on Earth.

The Earth's magnetic field is created by the earth's molten outer core rotating around the solid inner core.

The Earth's magnetic field has been weakening over the past few decades, and scientists are not sure why.

The weakening of the Earth's magnetic field could have serious consequences for our planet, including an increased risk of harmful space radiation reaching us and more severe disruptions to communications and satellite operations.

PreviousSpace Environment and Space WeatherNextRadiation Belts

Last updated 2 years ago

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