Dr. Roberts explores a peak of solar activity and possible impacts on Earth, including solar flares. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the... Show moreDr. Roberts explores a peak of solar activity and possible impacts on Earth, including solar flares. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion. Show less