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Magnetic Reconnection

All articles tagged with #magnetic reconnection

science1 month ago

Scientists Observe First 'Switchback' Phenomenon in Earth's Magnetosphere

Scientists have for the first time detected a zigzag-like 'switchback' phenomenon in Earth's magnetosphere, a plasma structure associated with magnetic reconnection events that can influence space weather and potentially disrupt Earth's technological systems. The discovery was made by NASA's MMS spacecraft near the magnetosheath, providing new insights into how solar wind interacts with Earth's magnetic field and improving the ability to predict geomagnetic storms.

via IFLScience|
#earth#magnetic-reconnection#magnetosphere
science4 months ago

New Research Reveals Solar Flares Are Significantly Hotter Than Previously Believed

A new study reveals that during solar flares, ions are significantly hotter than electrons—about 6.5 times hotter—explaining long-standing spectral line broadening mysteries and impacting space weather understanding. This insight suggests that ions' higher temperatures, especially during the flare's early stages, play a crucial role in flare dynamics and observations.

via Earth.com|
#ion-temperature#magnetic-reconnection#science
science-and-technology5 months ago

Scientists Unveil New Techniques to Detect and Predict Violent Solar Winds Threatening Earth

Researchers have developed a new method using soft X-rays and supercomputer simulations to measure the magnetic reconnection rate of solar wind energy into Earth's magnetosphere, which could improve space weather forecasting and protect space infrastructure as human activity expands beyond Earth.

via Energy Reporters|
#earths-magnetosphere#magnetic-reconnection#science-and-technology
science7 months ago

NASA's Parker Probe Detects Magnetic Explosion and Particle Energization Near the Sun

NASA's Parker Solar Probe has captured detailed measurements of a powerful magnetic explosion, or magnetic reconnection, on the sun's surface, revealing that such events can accelerate particles to much higher energies than previously thought. These findings improve understanding of space weather phenomena that can impact Earth and other planets, especially during active solar cycles.

via Live Science|
#magnetic-reconnection#nasa#parker-solar-probe
science1 year ago

NASA Investigates Rare Substorm in Earth's Magnetotail

NASA's Magnetospheric Multiscale (MMS) mission has detected evidence of magnetic reconnection in Earth's magnetotail without the associated substorm, challenging existing theories. Researchers from the Southwest Research Institute are analyzing this data to understand the relationship between substorms and magnetic reconnection, which could reshape our understanding of space weather and its impact on Earth.

via Interesting Engineering|
#magnetic-reconnection#magnetosphere#nasa
space-science2 years ago

The Mystery of Venus' Lightning: Is It Really Lightning?

A new study reanalyzing signals from Venus suggests that the famous lightning on the planet might not actually be lightning. Whistler waves, typically associated with lightning on Earth, were detected by NASA's Pioneer Venus and the Parker Solar Probe, but the waves were heading in the wrong direction, suggesting that lightning is not the primary cause. The researchers propose that magnetic reconnection, where magnetic field lines twist, snap, and join together again, might be responsible for the electrical signals. Further research and more detailed data are needed to confirm the existence and nature of Venusian lightning.

via ScienceAlert|
#lightning#magnetic-reconnection#parker-solar-probe
space2 years ago

"Solar Orbiter Unveils the Power Source of the Sun's Mysterious Wind"

The Solar Orbiter spacecraft has observed small-scale jets of energy, known as picojets, emerging from dark holes in the sun's outer atmosphere for the first time. These picojets could be the source of energy and matter for solar winds, which are high-speed outflows of hot gas from the sun. The picojets were observed in extreme ultraviolet images and are the smallest and weakest type of jets in the solar corona. The team believes that magnetic reconnection, the breaking and reconnecting of magnetic field lines, is driving these picojets. The discovery could help solve the mystery of why the sun's outer atmosphere is hotter than its surface.

via Space.com|
#magnetic-reconnection#picojets#solar-activity