I tell them I look at sunspots and geomagnetic activity in the near-Earth environment.
2.
Around 1852, Sabine, Wolf, Gautier and von Lamont independently found a link between the solar cycle and geomagnetic activity.
3.
In 1852 Wolf was one of four people who discovered the link between the cycle and geomagnetic activity on Earth.
4.
Comparison with other cycles shows that geomagnetic activity during the declining phase of cycle 20 ( 1973 1975 ) was unusually high.
5.
The variability of the solar wind flux determines the magnetospheric activity, generally expressed by the degree of geomagnetic activity observed on the ground.
6.
Among his contributions was the development of the Kp-index, and he suggested the existence of " M-regions " on the Sun that resulted in geomagnetic activity.
7.
The three " magnetron density gauges " measured the density of the neutral atmosphere as a function of altitude, time, latitude, and solar and geomagnetic activity.
8.
The Romanian research team intends to do bioprospecting, ecological and weather forecasting, measurement of seismic and geomagnetic activity and gathering of data regarding radio communication interference.
9.
Geomagnetic activity during solar cycle 9 followed a double-peaked distribution, with more magnetic storms during the rising ( 1847 48 ) and falling ( 1851 54 ) parts of the cycle.
10.
Around 1852, Edward Sabine, Wolf, Jean-Alfred Gautier and Johann von Lamont independently found a link between the solar cycle and geomagnetic activity, sparking the first research into interactions between the Sun and the Earth.
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