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Solar Telescope

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Sun reveals 20-kilometer plasma whirlpools linked to corona heating mystery
space15 days ago

Sun reveals 20-kilometer plasma whirlpools linked to corona heating mystery

New high-resolution images from the NSF’s Inouye Solar Telescope show 20-km-wide plasma vortices at the edges of magnetic flux on the Sun’s surface, caused by Kelvin-Helmholtz instability. These swirling motions could braid magnetic fields and help channel energy from the surface into the corona, offering a potential piece of the coronal-heating puzzle, but the authors caution they have not quantified the energy contribution and call for independent confirmation with even more powerful instruments.

via Space Daily|
#corona#kelvin-helmholtz-instability#photosphere
Tiny vortex storms revealed on the Sun by the world’s largest solar telescope
science22 days ago

Tiny vortex storms revealed on the Sun by the world’s largest solar telescope

Researchers using the 4‑meter Daniel K. Inouye Solar Telescope imaged Kelvin‑Helmholtz vortexes at 416 nm on the Sun’s surface, showing 60–100 km spacing and 25–170 km-diameter structures that can grow quickly and travel 0.67–3 km/s. The observations, aided by high-speed imaging and advanced deconvolution, suggest a new mechanism for heat, mass, and magnetic-energy transport in the solar atmosphere and may affect convection and corona heating models. The study combines telescope data with simulations to confirm the effect, but is based on a short (about 3 minutes) observation window and calls for longer, magnetic-field–map measurements to fully quantify energy budgets.

via Ars Technica|
#kelvin-helmholtz-instability#magnetic-fields#science
Inouye Solar Telescope Captures Record-Breaking Solar Flare Details
science1 year ago

Inouye Solar Telescope Captures Record-Breaking Solar Flare Details

The Daniel F. Inouye Solar Telescope has captured the smallest magnetic loops ever seen in the sun's corona, revealing details that could help understand the mechanisms behind solar flares. These tiny loops, some as narrow as 13 miles, were observed during a powerful X-class flare, providing new insights into solar magnetic activity. However, funding cuts threaten the telescope's future, risking loss of valuable solar research and expertise.

via Space|
#coronal-loops#dkist#science
AI-Powered Simulations Illuminate Sun's Dynamic Behavior
science-and-technology1 year ago

AI-Powered Simulations Illuminate Sun's Dynamic Behavior

Researchers at the University of Hawaiʻi Institute for Astronomy have developed deep learning models to analyze data from the Daniel K. Inouye Solar Telescope, the world's largest ground-based solar telescope. This AI-driven approach aims to enhance the speed and accuracy of solar data analysis, potentially leading to breakthroughs in understanding solar phenomena like large solar storms. The project, part of the SPIn4D initiative, uses neural networks to simulate and analyze the sun's atmosphere in near real-time, offering a significant advancement in solar research.

via Phys.org|
#ai#astronomy#data-analysis
"Exploring the Celestron EclipSmart Travel Solar Scope 50: A Comprehensive Review"
technology3 years ago

"Exploring the Celestron EclipSmart Travel Solar Scope 50: A Comprehensive Review"

The Celestron EclipSmart Travel Solar Scope 50 is an affordable and travel-friendly solar telescope with a built-in white light filter, making it safe and easy to observe the sun's surface, including sunspots. It comes with a backpack and offers up to 18x magnification. While the tripod is wobbly and the build quality is plastic, it provides crisp images of the solar disk. It is not suitable for photography but is a good option for casual users interested in solar eclipses and sunspot observation.

via Space.com|
#celestron#eclipsmart#solar-telescope
China's Solar Telescope Array: A Glimpse into the Sun's Secrets
science-and-technology3 years ago

China's Solar Telescope Array: A Glimpse into the Sun's Secrets

China has begun trial operations with the world's largest solar telescope array, the Daocheng Solar Radio Telescope (DSRT). Consisting of 313 dishes, the array is capable of monitoring solar activity with high precision. Situated in southwest China, its main task is to continuously monitor the sun, observe solar flares and coronal mass ejections, and aid research into monitoring and early warning methods for pulsars, fast radio bursts, and asteroids. Developed by the National Space Science Center, DSRT is part of the Meridian Project on space weather monitoring.

via Space.com|
#china#radio-telescopes#science-and-technology
"Spectacular Solar Tornado Captured in Mesmerizing Space Video"
astronomy3 years ago

"Spectacular Solar Tornado Captured in Mesmerizing Space Video"

Astrophotographer Miguel Claro captured a stunning solar tornado in motion above the sun's atmosphere. The tornado, caused by solar magnetic fields twisting in a spiral, was captured in a 4K high-resolution solar movie comprising 290 images over the course of about two hours. The footage shows the evolution of the giant plasma shape, which grew in size during the photo session. The video also captured a possible coronal mass ejection, a stream of charged particles from the sun.

via Space.com|
#astronomy#astrophotography#solar-prominence
Unprecedented images capture the sun's volatile activity during solar maximum.
science-and-technology3 years ago

Unprecedented images capture the sun's volatile activity during solar maximum.

New images of the sun's surface captured by the National Science Foundation's Daniel K. Inouye Solar Telescope have revealed sunspots and other features in unprecedented detail. The eight images showcase the quieter aspects of the solar surface, including cool, dark sunspots that can be the size of Earth or larger. The telescope's capabilities will allow scientists to answer key questions about the sun, including the origin of solar storms and the complexities of its magnetic field, as it approaches the July 2025 solar maximum.

via WYFF4 Greenville|
#magnetic-field#science-and-technology#solar-maximum