Solar Wind

March 14, 2012

Comet SWAN Heading for the Sun!

Sungrazing comet seen for the first time with the SOHO/SWAN instrument. It is aptly named Comet SWAN. Ukrainian Amateur astronomer, citizen scientist, and SOHO Comet Hunter Vladimir Bezugly reported a bright blob on images taken by the SWAN instrument on […]
April 24, 2012

Aurora over Giant’s Causeway and Ballintoy Harbour, Co. Antrim

Gorgeous aurora captured by Martin McKenna! Last night’s geomagnetic storm (April 24, 2012) put on quite a show and this was not even a large event. This is near the childhood homes of some of our esteemed Irish solar physics colleagues!
February 19, 2014

Geomagnetic Storm and Aurora from Valentine’s Weekend CME

A CME from February 16, 2014 has impacted Earth. The CME’s magnetic structure was such that it stirred things up in the magnetosphere.   A significant interplanetary shock detected by ACE at L1 at 3:10 UT, February 19, 2014.   The […]
June 7, 2014

CME from Filament Eruption Brushes Earth

The CME is here! As predicted the CME from the June 4 filament eruption impacted Earth’s magnetosphere around 16:30 UT with a glancing blow and created a minor geomagnetic disturbance. The plot above shows the solar wind measured by the ACE spacecraft, […]
March 2, 2015

NASA’s Magnetospheric Multiscale (MMS) Mission: Studying magnetic fields around the Earth

By looking close to home, NASA’s newest mission with provide a window to the universe. Countdown to MMS Launch The Magnetospheric Multiscale, or MMS, mission was created to study how magnetic fields around Earth interact with activity from the sun. The […]