The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when even a glancing blow can cause a geomagnetic ...
EDT on Sunday, September 22, 2024, the sun will cross the celestial equator, putting the magnetic fields of Earth and the ...
A potential geomagnetic storm is expected to impact Earth on Wednesday, September 25, following a large eruption from sunspot ...
The event was the annual equinox sunrise ceremony at Cahokia Mounds National Historic site’s “Woodhenge,” a massive sundial ...
The equinox is an annual event that happens twice a year, in March and September, when the Sun's rays fall directly on the ...
The fall equinox not only marks the first official day of fall, here in San Diego it is also the time to view "Salkhenge." ...
As the sun sets, it lines up perfectly with Chicago's east-west streets and is framed by downtown skyscrapers. The possible ...