Posts by

C. Alex Young

Solar filaments, aka prominences, arc upwards

Solar filaments (aka prominences, when viewed on the limb of the sun) are large, bright arcs of solar material and magnetic fields.

C. Alex Young

March 26, 2022

A storm on the sun, and a great week for auroras

Aurora alert in effect for the next few days: the sun sent out a halo coronal mass ejection on November 2, 2021, due to arrive at Earth on November 4.

Theresa Wiegert

C. Alex Young

November 4, 2021

Sun

Solar storm and aurora starting October 30

A solar storm after an eruption on the sun is carrying plasma toward Earth, which should produce northern and southern lights this weekend.

C. Alex Young

October 30, 2021

Aurora alert! Pair of CMEs to jolt Earth’s magnetic field

Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.

C. Alex Young

Deborah Byrd

September 1, 2021

C. Alex Young

C. Alex Young is a solar astrophysicist studying the Sun and space weather. Alex is passionate about sharing science with diverse audiences. This led him to start The Sun Today with his designer wife, Linda. First through Facebook and Twitter then adding an extensive website thesuntoday.org, the two work together to engage the public about the Sun and its role in our solar system. Alex led national engagement efforts for the 2017 total solar eclipse. He is the Associate Director for Science in the Heliophysics Science Division at NASA Goddard Space Flight Center.