NASA’s SpaceX Crew 3 Mission for Science
After more than six months aboard the International Space Station, the astronauts of NASA’s SpaceX Crew-3 mission are returning home. The four crew members -- NASA astronauts Kayla Barron, Raja Chari, and Tom Marshburn, and ESA (European Space Agency) astronaut Matthias Maurer -- will travel back to Earth inside a SpaceX Crew Dragon capsule. These crew members contributed to hundreds of scientific investigations and technology demonstrations while aboard the orbiting laboratory. This valuable research helps to prepare humans for future space exploration missions while generating numerous innovations and benefits for humanity on Earth.
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SWOT Earth Science Satellite Will Help Communities Plan for a Better Future
A new Earth science mission, led by NASA and the French space agency Centre National d’Études Spatiales (CNES), will help communities plan for a better future by surveying the planet’s salt and freshwater bodies. The Surface Water and Ocean Topography (SWOT) mission will measure the height of water in lakes, rivers, reservoirs, and the oceans. As climate change accelerates the water cycle, more communities around the world will be inundated with water while others won’t have enough. SWOT data will be used to improve flood forecasts and monitor drought conditions, providing essential information to water management agencies, civil engineers, universities, the U.S. Department of Defense, disaster preparedness agencies, and others who need to track water in their local areas. In this video, examples of how SWOT data will be used in these communities are shared by a National Weather Service representative in Oregon, an Alaska Department of Transportation engineer, researchers from the University of Oregon and University of North Carolina, a NASA Jet Propulsion Laboratory scientist working with the Department of Defense, and a JPL scientist working with the Louisiana Coastal Protection and Restoration
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Chasing Sprites in Electric Skies
Phenomenon Overview:
Sprites are a rare and elusive form of transient luminous event that occurs high above thunderstorms. These captivating discharges, often referred to as "Red Sprites" due to their reddish hue, manifest in the upper reaches of the Earth's atmosphere. While lightning bolts illuminate the lower atmosphere, sprites create a mesmerizing spectacle in the mesosphere, extending as high as 50 to 90 kilometers above the ground.
Electric Skies:
The term "Electric Skies" aptly captures the dynamic interplay of atmospheric electricity that gives rise to these remarkable phenomena. The Earth's atmosphere acts as a conductor for electrical currents, particularly during intense thunderstorms. As lightning discharges travel upward from the storm clouds, they create strong electric fields that extend into the upper atmosphere. These electric fields lead to the formation of sprites, which appear as intricate, branching structures resembling tendrils, columns, or even jellyfish-like shapes.
Rare and Enigmatic:
Sprites in Electric Skies remain a rare occurrence, adding to their enigmatic allure. Their fleeting nature and high-altitude occurrence make them challenging to observe from the ground. Researchers and photographers keen on capturing these ethereal events require a combination of specialized equipment, optimal weather conditions, and a dash of luck to witness and record them.
Scientific Significance:
Beyond their aesthetic appeal, sprites in Electric Skies offer valuable insights into the physics of Earth's upper atmosphere. Their occurrence is closely linked to the presence of strong lightning discharges below, providing clues about the complex interactions between thunderstorms and the ionosphere. Studying sprites can contribute to a deeper understanding of atmospheric electricity, lightning propagation, and the intricate balance of energy between the Earth's surface and outer space.
In the quest to unravel the mysteries of sprites in Electric Skies, scientists continue to study and document these captivating events. As our knowledge of atmospheric electricity evolves, these luminous displays serve as a testament to the intricate dance of natural forces that shape our planet's skies, leaving us awestruck and inspired by the boundless wonders of the cosmos.
Sprites, Electric Skies, Phenomenon, Atmospheric Marvels, Luminous Energy, Nighttime Skies, Earth's Atmosphere, Space, Nature's Display.
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