Solar wind on December 17, 2025

December 17, 2025

Simferopol change region

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Solar wind parameters

Solar wind speed

603 km/s high (average for 24 hours)

Solar wind speed for December 16 and 17, 2025, according to data from the ACE spacecraft Solar wind speed for December 16 and 17, 2025.

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Solar wind density

2.4 cm^-3 normal (average for 24 hours)

Solar wind density for December 16 and 17, 2025, according to data from the ACE spacecraft Solar wind density for December 16 and 17, 2025.

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Solar wind temperature

242 000 K high (average for 24 hours)

Solar wind temperature for December 16 and 17, 2025, according to data from the ACE spacecraft Solar wind temperature for December 16 and 17, 2025.

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Solar wind magnetic field induction

6 nT normal (average for 24 hours)

Solar wind magnetic field induction for December 16 and 17, 2025, according to data from the ACE spacecraft Solar wind magnetic field induction for December 16 and 17, 2025.

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The Bz component of the solar wind magnetic field

−0.4 nT negative (average for 24 hours)

The Bz component of the solar wind magnetic field for December 16 and 17, 2025, according to data from the ACE spacecraft. A negative, blue Bz value (southern direction of the field) promotes the development of magnetic storms and northern lights. The Bz component of the solar wind magnetic field for December 16 and 17, 2025.

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