Space Weather
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STEREO consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind.
STEREO
Comet Lovejoy came into LASCO's view on Dec. 14 as a bright, white streak, skimmed across the Sun's edge about 140,000 km above the surface late Dec. 15 and early Dec. 16, 2011, furiously brightening and vaporizing as it approached the Sun...
Solar and Heliospheric Observatory Homepage
How do gusts in solar wind stir the aurora? - NASA Science
June 1, 1999: A blue-white energy wave zips across space and is split open as it nears then sweeps around the planet's invisible shield. As the wave sweeps by, it squeezes the shield and pumps energy into the planet, bombarding its poles with energetic particles that seem to form a ring of fire. Right : This view of the Aurora Australis (Southern Lights), seen from the Space Shuttle on the STS-39 mission in may 1991, shows a spiked band of red air glow called a "Red Crown" above the Earth's limb.The SOHO/LASCO Instrument Homepage
Coronal Mass Ejections (CMEs) are massive (10^14 to 10^17 grams) bursts of plasma that are ejected from the sun.
The Watched Pot and Fast CMEs
› Download Movie: A Solar Heliospheric Observatory (SOHO) chronograph of the fast coronal mass ejection (CME) of March 7, 2011 with a Solar Dynamics Observatory (SDO) 304 angstrom solar image overlaid. Credit: Naval Research Lab/Karl BattamsUPDATE: A geomagnetic storm that sparked auroras around the Arctic Circle and sent Northern Lights spilling over the Canadian border into the United States on April 12, 2011 is subsiding.
Geomagnetic Storm Subsiding
Heliosphere
NASA Missions
Real Time Solar Wind
Space Weather Prediction
Earth's Magnetosphere & Geomagnetic Field
Auroras
NASA THEMIS Mission
Share your discoveries on the forum and Flickr, check out the space weather forecast on Twitter, and read our blog for all the latest news and challenges. Solar Stormwatch blog
Solar Stormwatch
Solar wind - Wikipedia, the free encyclopedia
The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun .
The Sun-Earth Connection: Heliophysics
The first rocket was launched at 4:58 a.m. EDT and each subsequent rocket was launched 80 seconds apart with each releasing a chemical tracer.Heliophysics is all of the science common to the field of the Sun-Earth connections. This fast-developing field of research covers many traditional sub-disciplines of space physics, astrophysics, and climate studies. The NASA Living with a Star program, with its focus on the basic science underlying all aspects of space weather, acts as a catalyst to bring the many research disciplines together to deepen our understanding of the system of systems formed by the Sun-Earth connection.