11.   New companies will analyze data collected by federal agencies and then give detailed forecasts to industries and individuals about how solar activity might disrupt their operations, he predicted.

12.   Some peculiar kind of solar activity can adversely affect communications, satellites and power grids.

13.   Space scientists constantly monitor solar activity through deep-space satellites such as ACE, the Advanced Composition Explorer.

14.   The authors wrote that long-term temperature increases are likely due to changes in solar activity, not pollution.

15.   The mission will test the effects of prolonged weightlessness on an older human and, among other things, will deploy a device to measure solar activity.

16.   The rate of falling peaked at more than two miles a week, but it has since slowed down again as solar activity entered a temporary lull.

17.   The station has been sinking between one and two miles a week in response to a rise in solar activity.

18.   The space station, involving the United States, Russia, European countries, Canada and Japan, will concentrate on solar activity.

19.   The station has been losing one mile to two miles per week in recent months because of a temporary increase in solar activity.

20.   Manber said that increased solar activity had forced a launch earlier than planned, and promised that the company would reimburse the government.