Explore Space Weather
![](/images/icons/sw_intro.jpg)
What are scientists talking about when they say "space weather"? How is it like weather ...
Read more
![](/images/icons/sw_today.jpg)
Like weather on Earth, space weather is constantly changing. On Earth you can simply look ...
Read more
![](/images/icons/sw_explore.gif)
Space weather begins at the Sun and its ever-expanding atmosphere. From the human perspective, ...
Read more
![](/images/icons/sw_model.jpg)
How do we know what kind of "weather" we're having in space? Scientists use a network of ...
Read more
![](/images/icons/sw_physics.jpg)
Subatomic particles zipping around through magnetized plasma - does that sound like physics ...
Read more
![](/images/icons/sw_multimedia.jpg)
Access spectacular movies and a very full image gallery to find out more about space weather ...
Read more
![](/images/icons/sw_activities.jpg)
Hands-on activities, longer term projects, and tricky problems to tickle your brain - we've ...
Read more
![](/images/icons/sw_glossary.gif)
There is a lot of specialized language used in the field of space weather. Here are definitions ...
Read more
![](/images/icons/sw_cism.jpg)
Visit the CISM site to read news and highlights, access presentations and seminars ...
Read more
![](/images/icons/sw_archive.jpg)
This is the "old" space weather section in case you're looking for a page that was housed there ...
Read more
Did you know?
Did you know that
the
footprints left on the Moon’s surface by astronauts will last for
centuries, because there is no wind on the Moon?
Did you know that there is a strange hexagon in the atmosphere at the northern pole of Saturn?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
ChinookxChinook : A dry down-slope wind which occurs on the downwind side of a mountain range. It is a rain shadow wind which results from the subsequent (adiabatic) warming of air which has dropped most of its moisture on windward slopes.
Click on the word to find out!
Research Highlights
A new analysis of the unusually long solar cycle that ended in 2008 suggests that one reason for the long cycle could be a stretching of the sun's conveyor belt, a current of plasma that circulates between...
Read more![](/olpa/images/solar_cycle_small.jpg)