Sponsor of the Day:
Jerkmate
https://nso.edu/blog/dunn-solar-telescope-50-year-retrospective/
Dunn Solar Telescope: A 50 Year Retrospective - NSO - National Solar Observatory
Feb 27, 2026 - We pay tribute to the Dunn Solar Telescope, the discoveries it enabled, the people it inspired, and its lasting impact on solar research.
dunn solar telescopenso national observatory50 yearretrospective
https://nso.edu/press-release/inouye-solar-telescope-releases-first-image-of-a-sunspot/
Inouye Solar Telescope Releases First Image of a Sunspot - NSO - National Solar Observatory
Aug 10, 2023 - NSF's Inouye Solar Telescope released its first image of a sunspot, an indication of the world's largest solar telescope’s advanced optics.
inouye solar telescopenso national observatoryreleases firstimagesunspot
https://nso.edu/blog/dunn-solar-telescope-catches-an-erupting-filament/
Dunn Solar Telescope Catches an Erupting Filament - NSO - National Solar Observatory
Aug 10, 2023 - New data from the Dunn Solar Observatory (DST) shows an erupting filament, a bundle of twisted, writhing magnetic field on the Sun.
dunn solar telescopenso national observatorycatcheseruptingfilament
https://nso.edu/telescopes/inouye-solar-telescope/
Daniel K. Inouye Solar Telescope - NSO - National Solar Observatory
Apr 7, 2026 - The NSF's Inouye Solar Telescope is the world's largest solar telescope. Its 4-meter mirror provides views of the Sun like we’ve never seen.
daniel k inouyenso national observatorysolar telescope
https://nso.edu/press-release/whats-down-with-the-sun-major-drop-in-solar-activity-predicted/
What's Down with the Sun? Major Drop in Solar Activity Predicted - NSO - National Solar Observatory
Oct 14, 2021 - Independent studies of solar activity indicate that the next 11-year solar sunspot cycle, Cycle 25, will be greatly reduced or nonexistent.
nso national observatorymajor dropsolar activitysunpredicted
https://nso.edu/blog/the-evolution-of-extreme-solar-events-research/
The Evolution of Extreme Solar Events Research - NSO - National Solar Observatory
Jun 7, 2023 - A recently published living review traces the evolution of research in extreme solar events spanning from bygone centuries to the modern era.
nso national observatoryevents researchevolutionextremesolar
https://nso.edu/press-release/colorful-solar-instrument-treks-east-for-a-new-career/
Colorful Solar Instrument Treks East for a New Career - NSO - National Solar Observatory
Oct 14, 2021 - The Fourier Transform Spectrometer (FTS), a premiere instrument for high-resolution solar spectroscopy is moving.
nso national observatorynew careercolorfulsolarinstrument
https://nso.edu/press-release/onset-of-next-solar-activity-cycle-observed/
Onset of Next Solar Activity Cycle Observed - NSO - National Solar Observatory
Oct 13, 2021 - Solar activity cycle 23 was relatively weak and some predictions are that Cycle 24 will be considerably stronger.
nso national observatorynext solaronsetactivitycycle
https://nso.edu/heliophysics-decadal-survey-2024/
Heliophysics Decadal Survey 2024 - NSO - National Solar Observatory
nso national solardecadal surveyheliophysics2024observatory
https://nso.edu/blog/science-teams-awarded-space-at-ctio-for-2019-eclipse/
Science Teams Awarded Space at CTIO for 2019 Eclipse - NSO - National Solar Observatory
Aug 10, 2023 - AURA, including NSO, awarded teams from around the world observing space at the Cerro Tololo site during the 2019 total solar eclipse.
nso national solarscience teamsawardedspacectio
https://nso.edu/for-public/
For Public - NSO - National Solar Observatory
Oct 12, 2021 - Resources about the Sun for educators, students and the public including exciting events, facts about the Sun and the parts of the Sun.
nso national solarpublicobservatory
https://nso.edu/research/workshops-seminars/
Workshops & Seminars - NSO - National Solar Observatory
May 30, 2025 - NSO workshops and seminars bring together international groups of solar scientists for conferences and smaller interactive workshops.
nso national solarworkshops seminarsobservatory