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What's New

The following pages have been added to the site or revised since December 27, 2009:

Earth

      Global Atmospheric Circulation Model video
      Cyclonic and Anti-cyclonic Flow
      The Troposphere
      Air Pollution Affects Plants, Animals, and Environments
      Wind
      Beaufort Scale of Wind Speeds video
      Classification of Wind Speeds
      Earth's Interior
      Kingdom Animalia
      Kingdom Fungi
      Amphibian Die-offs Movie
      Aurora and THEMIS Satellite movie
      Geomagnetic Substorm Triggered by CME from Sun movie
      How Space Weather Affects Human Society
      How the Surface Ocean Moves: Ekman Transport
      The Ocean Biome
      Ocean Dead Zones movie
      Earth's Ocean
      Ocean Chemistry
      Surface Ocean Currents
      The Swirling Water of Ocean Eddies
      Motions of the Ocean
      Effects of Climate Change Today
      Earth's Greenhouse Gases
      Climate Model Accuracy and Uncertainty
      Earth's Greenhouse Effect
      Climate Model Grid movie
      Greenhouse Effect Movie - Scott Denning
      IPCC Scenarios Interactive
      Fertilizing the Earth with Nitrogen
      CMMAP - Studying Clouds and Climate
      What Is a Geologic Fault?
      Earthquake Testing movie
      What Is an Earthquake?
      Where Do Earthquakes Happen?
      Why Do Earthquakes Happen?
      Seismic Waves: Moving and Shaking During an Earthquake
      Greenhouse Effect
      Earth Plate Tectonics
      Undersea Volcano Eruption movie
      K-T Extinction (Why Did the Dinosaurs Go Extinct?)

Headline Universe

      Haiti Earthquake January 2010
      Aerosols in the Atmosphere: From Mexico to Japan, Finland to Switzerland, the Same Everywhere
      Living, Meandering River Constructed
      Global Ice Age Climate Patterns Influenced by Bering Strait
      Global Warming Causes Outbreak of Rare Algae in Caribbean Corals
      It’s Not Your Fault – A Typical Fault, Geologically Speaking, That Is
      Changing the Mississippi River Could Lead to New Land near New Orleans
      White Roofs May Successfully Cool Cities
      Unusual Explosion Sparks New Insight Into the Life of Stars

Multimedia Gallery

      Images & Multimedia

Newsletters

      Windows to the Universe Newsletter
      Windows to the Universe Newsletter

Olpa

      National Science Foundation Podcast Zone
      Videos from the National Science Foundation

Our Solar System

      Geminid Meteor Shower

Physical Science

      Highlighting the WTEC International Study of Robotics
      What is a Supercomputer?
      Universal Time
      Molecules Vibrate
      The Coriolis Effect
      What does falling have to do with keeping a satellite in orbit?
      The Heart of Satellite Orbits

Space Missions

      Phoenix Mars Lander - Instruments and Mission Objectives
      New Horizons Jupiter Flyby in February 2007

Space Weather

      Space Weather Image & Multimedia Gallery
      Sun and Space Weather Movie Gallery
      Space Weather Effects on Electrical Power Systems
      Modeling Space Weather

Sun

      HELIOSEISMOLOGY
      Model of a CME - Sun to Earth
      Solar Storms
      Magnetic Field Lines Tangle as Sun Rotates
      Active Regions on the Sun
      The Photosphere - the Surface of the Sun
      Sunspots and Magnetic Fields
      Sunspots
      Journey Beneath a Sunspot
      Coronal Mass Ejections
      Modeling Sunspots movie
      Sun Image Archive

Teacher Resources

      Windows to the Universe Activity
      Windows to the Universe Activity
      Changing Climate, Changing World: Tackling the Global Warming Challenge
      Introduction to Earth's Climate - Content Pages from Web-based Course

The Universe

      Scorpius

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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Wind

Wind is moving air. Warm air rises, and cool air comes in to take its place. This movement creates different pressures in the atmosphere which creates the winds around the globe. Since the Earth spins,...more

Surface Ocean Currents

The water at the ocean surface is moved primarily by winds that blow in certain patterns because of the Earth’s spin and the Coriolis Effect. Winds are able to move the top 400 meters of the ocean creating...more

Effects of Climate Change Today

Over 100 years ago, people worldwide began burning more coal and oil for homes, factories, and transportation. Burning these fossil fuels releases carbon dioxide and other greenhouse gases into the atmosphere....more

Earth's Greenhouse Gases

Even though only a tiny amount of the gases in Earth’s atmosphere are greenhouse gases, they have a huge effect on climate. There are several different types of greenhouse gases. The major ones are carbon...more

Accuracy and Uncertainty in Climate Models

Global climate models are used to predict what will happen to Earth’s climate in the future. Groups like the Intergovernmental Panel on Climate Change (the IPCC) compare the results from several different...more

Earth's Greenhouse Effect

Energy from the Sun that makes its way to the Earth’s surface can have trouble finding its way back out to space. This is because of a natural process called the greenhouse effect. Without the greenhouse...more

Fertilizing the Earth with Nitrogen

Plants need nitrogen to grow. Plants are not able to use the nitrogen that is in the atmosphere for this, even though there is tons of it available. It’s just not in a form that plants can use. So they...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF