More from Windows to the Universe

With over 9000 web pages and over 60 main sections of content, we can't fit it all on one web page! This page provides links to other major sections of content on Windows to the Universe. We hope you enjoy exploring these resources!
What's it like to visit the <a href="/earth/Water/deep_ocean.html&edu=elem">deep sea</a> in a manned submersible? These postcards will share some of that excitement with you. The submersible, <a href="/earth/interior/alvin2.html&edu=elem">Alvin</a>, makes dives into the deep sea. Check out a <a href="/people/postcards/alvin/photo_album.html&edu=elem">photo album</a> of images from the dive, and view the postcards below!<p><small><em>Image courtesy of Tim Killeen</em></small></p>Oh no! It doesn't look good for these Adelie penguins in the Antarctic. Sea ice covers the top of the ocean next to the Antarctic continent and the Ross Sea. Large cracks open up in the expanse of ice as the ice melts which allows whales to get into parts of the Ross Sea that have not been disturbed or fished for months. Find out more about this <a href="/people/postcards/penguin_post.html&edu=elem">penguin research campaign</a> in December 2006 - January 2007.<p><small><em>Image courtesy of <a href="/bio/jean_pennycook.html&edu=elem">Jean Pennycook</a></em></small></p>A sinuous glowing band of <a href="/earth/Magnetosphere/aurora.html&edu=elem">aurora</a> (the Aurora Australis or Southern Lights) loops around the <a href="/earth/polar/polar_south.html&edu=elem">southern polar</a> region in the distance as viewed by astronauts onboard the space shuttle on <a href="http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-39.html">STS-039</a>. <a href="/earth/Magnetosphere/aurora/aurora_colors.html&edu=elem">Aurora are produced</a> when <a href="/physical_science/physics/atom_particle/particle_radiation.html&edu=elem">energetic particles</a> entering the Earth's atmosphere from space interact with <a href="/physical_science/physics/atom_particle/atom.html&edu=elem">atoms</a> and <a href="/earth/geology/molecule.html&edu=elem">molecules</a> in the atmosphere and release energy, emitted as light.<p><small><em>Courtesy of NASA, Astronaut Overmeyer and Dr. Hallinan</em></small></p>On 21 April, 2010, the Solar Dynamics Observatory captured the launch of a filament from the <a href="/sun/atmosphere/photosphere.html&edu=elem">surface of the Sun</a>. These are the most detailed images of the Sun ever taken. The images show light in the <a href="/physical_science/magnetism/em_ultraviolet.html&edu=elem">ultraviolet</a> part of the <a href="/physical_science/magnetism/em_spectrum.html&edu=elem">electromagnetic spectrum</a>. The Sun is now entering another period of <a href="/sun/solar_activity.html&edu=elem">solar activity</a> after several years of a relatively quiet Sun. Activity on the Sun varies on an <a href="/sun/activity/sunspot_cycle.html&edu=elem">cycle of about 11 years</a>.<p><small><em>Image courtesy of NASA/Solar Dynamics Observatory and AIA Consortium</em></small></p>The <a href="http://www.starcount.org">Great World Wide Star Count</a> is an international Citizen Science campaign. The purpose of this event is to encourage everyone to go outside, look skywards after dark, count the stars they see in certain constellations, and report what they see online. This Windows to the Universe Citizen Science Event is designed to encourage learning in astronomy! Have fun everyone!<p><small><em></em></small></p>Explorers, both from long ago and today, use journals to record where they travel and what they discover. With this <a href="javascript:wb_onclick();">online journal</a> you can keep a record of the places you have been, the things you have seen, and what you have learned within the Windows to the Universe web site!<p><small><em></em></small></p>

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News

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Research Highlights

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Multimedia

Here you will find links to all sorts of pictures, animations, videos, sounds, and interactive ...Read more

Postcards from the Field

Explore collections of Postcards from the Field, virtual postcards from scientists and educators ...Read more

Citizen Science

Citizen science projects involve the public in scientific research and data collection. Typically, ...Read more

Motivational Quotes

Everyone needs some inspiration sometime! Here are some quotes that you may enjoy, or find useful in your work, play, or everyday life. ...Read more

Historical Events

Full Earth and Space Science    History Calendar (Members only)

Teacher Opportunities

Full Teacher Events Calendar (Educator Members only)

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Earth and Space Science Concept of the Day

Do you know what this word or phrase means?

Refraction
xRefraction : Refraction is the deflection, or bending, of the ray path of a seismic wave caused by its passage from one material to another having different elastic properties; or the bending of a tsunami wave front owing to variations in the water depth along a

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Research Highlights

Mysterious Clouds Produced When Aircraft Inadvertently Cause Rain or Snow

As turboprop and jet aircraft climb or descend under certain atmospheric conditions, they can inadvertently "seed" mid-level clouds, causing narrow bands of snow or rain to develop and fall to...Read more


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