Solar cycle

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In an earlier solar cycle, she said, small rocket thrusters on one satellite suddenly started firing, sending a spacecraft out of position.
Imaging the solar disk in white light, H-alpha and Calcium K-line is popular with members and the Section has a wealth of stunning images recording the solar cycle in detail.
These events were attributed to violent solar storms that occurred during the sun's most active period in the 11-year solar cycle.
1 At the beginning of the solar cycle, the sun's magnetic field lines run directly from one pole to the other.
Development and commercialization of the Solar Cycle Station -- an environmentally friendly solar-powered recharging station for electric-assisted bicycles.
2013 marks the maximum of this solar cycle, yet Penn doesn't have very much to look at.
The researchers found that most of the failures occurred at times of high-energy electron activity during declining phases of the solar cycle.
It should also be noted that although conventional wisdom gives the solar cycle an 11-year period, the reality is it swings between 10 and 13 years, meaning peak solar activity may not even happen this year.
Humans have tracked this solar cycle continuously since it was discovered in 1843, and it is normal for there to be many flares a day during the sun's peak activity.
As solar cycle 24 progresses towards its predicted maximum in early 2013, the Relative Sunspot number (R) has gained momentum during the session.
And it is extremely important to understanding how the sun's magnetism generates the solar cycle.