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Sensors 2008, 8, 7736-7752; DOI: 10.3390/s8127736 sensors ISSN 1424-8220 Article Cosmic Influence on the Sun-Earth Environment Saumitra Mukherjee Geology and Remote Sensing, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi-110067, India; E-mail: [email protected]; Tel. +91-11-26704312; Fax +91-11-26704312 Received: 19 May 2008; in revised form: 2 June 2008 / Accepted: 29 November 2008 / Published: 3 December 2008 Abstract: SOHO satellite data reveals geophysical changes before sudden changes in the Earth's Sun-Earth environment. The influence of extragalactic changes on the Sun as well as the Sun-Earth environment seems to be both periodic and episodic. The periodic changes in terms of solar maxima and minima occur every 11 years, whereas the episodic changes can happen at any time. Episodic changes can be monitored by cosmic ray detectors as a sudden increase or decrease of activity. During these solar and cosmic anomaly periods the environment of the Earth is affected. The Star-Sun-Earth connection has the potential to influence the thermosphere, atmosphere, ionosphere and lithosphere. Initial correlation of the cosmic and Sun-Earth connection has shown the possibility of predicting earthquakes, sudden changes in atmospheric temperatures and erratic rainfall/snowfall

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