Skip to main content
  • English
  • Español
  • Français

United
Nations

 

Office for Outer Space Affairs
UN-SPIDER Knowledge Portal

  • Home
  • About Us
    • What is UN-SPIDER?
    • About UNOOSA
    • Publications
    • Jobs
    • Meet the Team
    • Contact
  • Space Application
    • Satellite Technology
    • Emergency Mechanisms
    • Recovery Mechanisms
    • International Asteroid Warning Network
    • Space Mission Planning Advisory Group
    • International Space Weather Initiative
    • Space Technologies in the UN
    • User Stories
  • Links & Resources
    • Data Applications
      • Disaster Recovery
    • Data Sources
    • GIS and Remote Sensing Software
    • Online Learning Resources
    • Institutions
  • Risks & Disasters
    • Disaster Risk Management
    • Early Warning Systems
    • Emergency and Disaster Management
    • Natural Hazards
    • Sendai Framework
    • The UN and Disaster Risk Management
    • The UN and Early Warning
    • The UN and Disaster Management
  • Advisory Support
    • Advisory Missions
    • Emergency Support
    • Virtual Advisory Support
    • Recommended Practices
    • Training Activities
    • Practical Uses
  • Network
    • Regional Support Offices
    • GP-STAR
    • MHEWS
    • IWG-SEM
  • Projects
    • SPEAR
    • SEWS-D
    • EvIDENz
    • Flood GUIDE
    • CommonSpace Initiative
  • News & Events
    • News
    • Events Calendar
    • UN-SPIDER Events Archive

Breadcrumb

  • Home
  • Taxonomy Pages
  • Taxonomy Pages

Extraterrestrial

Definition

A hazard caused by asteroids, meteoroids, and comets as they pass near-earth, enter the Earth’s atmosphere, and/or strike the Earth, and by changes in interplanetary conditions that effect the Earth’s magnetosphere, ionosphere, and thermosphere.

UN-SPIDER Regional Support Offices with hazard-specific expertise

Related content on the Knowledge Portal

  • IAA Planetary Defense Conference 2023 Started in Vienna
    Planetary Defense Conference

    Today, 3 April 2023, the 8th IAA Planetary Defense Conference started in Vienna, Austria, taking place until 7 April as a hybrid conference with two venues.

    The Vienna International Centre hosts the conference from 3-6 April, while the Austrian Academy of Sciences will host it on 7 April. The conference will cover a range of topics related to planetary defense, including ongoing and upcoming mission highlights, hypothetical asteroid threat exercise, key international and policy development, near-Earth object discovery and characterization, deflection and disruption modeling and testing, space mission and campaign design, impact effects and consequences, disaster management and impact response, public education and communications, and political, legal, social, and economic aspects.

    Registered participants can join in-person or online and will have access to conference materials, including a decision tree, pocket reference, and decision-maker's guide. The conference…

    read more
    03/04/2023

UN-SPIDER Regional Support Offices with hazard-specific expertise

Footer menu

  • Contact
  • Terms of Use

User account menu

  • Log in