Free Republic 3rd Qtr 2025 Fundraising Target: $81,000 Receipts & Pledges to-date: $15,561
19%  
Woo hoo!! And now only $639 from reaching 20%!! Thank you all very much!! God bless.

Keyword: coronalloops

Brevity: Headers | « Text »
  • Astronomy Picture of the Day - Coronal Loops on the Sun

    07/30/2025 1:22:05 PM PDT · by MtnClimber · 15 replies
    NASA ^ | 30 Jul, 2025 | Image Credit & Copyright: Andrea Vanoni
    Explanation: Our Sun frequently erupts in loops. Hot solar plasma jumps off the Sun's surface into prominences, with the most common type of prominence being a simple loop. The loop shape originates from the Sun's magnetic field, which is traced by spiraling electrons and protons. Many loops into the Sun's lower corona are large enough to envelop the Earth and are stable enough to last days. They commonly occur near active regions that also include dark sunspots. The featured panel shows four loops, each of which was captured near the Sun's edge during 2024 and 2025. The images were taken...