Chasing Sprites in the Electric Skies: Unraveling the Enigmatic Dance of Atmospheric Phenomena
oin us on an electrifying adventure as we venture into the mesmerizing world of sprites, the elusive and captivating atmospheric phenomena that light up the night skies. In this captivating video, we delve deep into the science behind these breathtaking electrical discharges that occur high above thunderstorms. From their discovery to the latest research, we'll uncover the mysteries surrounding sprites and their connection to Earth's atmospheric dynamics. Prepare to be awestruck as we showcase stunning visuals and delve into the cutting-edge technologies that enable researchers to chase and capture these fleeting cosmic ballets. Don't miss this illuminating journey that sheds light on one of nature's most enigmatic performances – sprites in the electric skies.
9
views
Unveiling a Brighter Future: Harnessing Earth Science Satellites through SWOT Analysis
In our latest video, we delve into the exciting realm of Earth science satellites and their remarkable potential to shape a better future for communities worldwide. Join us as we explore the groundbreaking SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis applied to these advanced satellites, revealing how they empower us to plan and adapt for a more sustainable and resilient tomorrow. Discover the key insights, technologies, and real-world applications that make SWOT an indispensable tool for addressing environmental challenges, improving disaster preparedness, and fostering informed decision-making. Don't miss out on this enlightening journey as we unravel the intricate interplay between cutting-edge satellite technology and a more prosperous future for all.
11
views
NASA Latest Sun Discovery
Close
133 Days on the Sun
This video chronicles solar activity from Aug. 12 to Dec. 22, 2022, as captured by NASA’s Solar Dynamics Observatory (SDO). From its orbit in space around Earth, SDO has steadily imaged the Sun in 4K x 4K resolution for nearly 13 years. This information has enabled countless new discoveries about the workings of our closest star and how it influences the solar system. With a triad of instruments, SDO captures an image of the Sun every 0.75 seconds. The Atmospheric Imaging Assembly (AIA) instrument alone captures images every 12 seconds at 10 different wavelengths of light. This 133-day time lapse showcases photos taken at a wavelength of 17.1 nanometers, which is an extreme-ultraviolet wavelength that shows the Sun’s outermost atmospheric layer: the corona. Compiling images taken 108 seconds apart, the movie condenses 133 days, or about four months, of solar observations into 59 minutes. The video shows bright active regions passing across the face of the Sun as it rotates. The Sun rotates approximately once every 27 days. The loops extending above the bright regions are magnetic fields that have trapped hot, glowing plasma. These bright regions are also the source of solar flares, which appear as bright flashes as magnetic fields snap together in a process called magnetic reconnection. While SDO has kept an unblinking eye pointed toward the Sun, there have been a few moments it missed. Some of the dark frames in the video are caused by Earth or the Moon eclipsing SDO as they pass between the spacecraft and the Sun. Other blackouts are caused by instrumentation being down or data errors. SDO transmits 1.4 terabytes of data to the ground every day. The images where the Sun is off-center were observed when SDO was calibrating its instruments. SDO and other NASA missions will continue to watch our Sun in the years to come, providing further insights about our place in space and information to keep our astronauts and assets safe. The music is a continuous mix from Lars Leonhard’s “Geometric Shapes” album, courtesy of the artist. Credit: NASA's Goddard Space Flight Center Scott Wiessinger (PAO): Lead Producer Tom Bridgman (SVS): Lead Visualizer Scott Wiessinger (PAO): Editor This video can be freely shared and downloaded at https://svs.gsfc.nasa.gov/14263. While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: https://svs.gsfc.nasa.gov/14263. For more information on NASA’s media guidelines, visit https://nasa.gov/multimedia/guidelines. Video Description: On the left side of the frame is the full circle of the Sun. It appears in a golden yellow color, but splotchy and with thin yellow wisps extending from the surface. Some areas are very bright and others almost black. The whole Sun rotates steadily, with one full rotation taking 12 minutes in this time lapse. There are usually only a few bright regions visible at a time and they shift and flash like small fires. From these regions there are wispy loops reaching up above the surface that rapidly change shape and size. On the right side of the frame are two white-outlined squares with enlargements of interesting regions of the Sun. If you liked this video, subscribe to the NASA Goddard YouTube channel: https://www.youtube.com/NASAGoddard Follow NASA’s Goddard Space Flight Center · Instagram http://www.instagram.com/nasagoddard · Twitter http://twitter.com/NASAGoddard · Twitter http://twitter.com/NASAGoddardPix · Facebook: http://www.facebook.com/NASAGoddard · Flickr http://www.flickr.com/photos/gsfc
11
views