NASA has launched the TRACERS mission to study how solar wind interacts with Earth’s magnetic field. The launch occurred in July 2025 from California. The mission aims to understand how solar activity affects Earth’s space environment and potentially disrupts technology.
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- TRACERS launched by NASA in July 2025 from California.
- Mission to study solar wind’s impact on Earth’s magnetic field.
- Aims to understand space weather effects on satellites, GPS, and power grids.
- Uses twin satellites flying through Earth’s magnetic boundary layer.
- Targets the region where solar wind meets Earth’s magnetosphere.
- Will measure electric and magnetic fields, plasma flows, and particle energies.
- Data to improve prediction of geomagnetic storms and space weather events.
- Helps protect communication, navigation systems from solar disturbances.
- Mission expected to operate for two years.
- Led by University of Iowa, part of NASA’s Small Explorer program.




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