All Videos Tagged cycle (Atheist Nexus) - Atheist Nexus 2013-06-19T23:08:36Z http://www.atheistnexus.org/video/video/listTagged?tag=cycle&rss=yes&xn_auth=no NASA | Solar Cycle tag:www.atheistnexus.org,2011-10-28:2182797:Video:1713246 2011-10-28T12:11:44.927Z Donegal http://www.atheistnexus.org/profile/Donegal <a href="http://www.atheistnexus.org/video/nasa-solar-cycle"><br /> <img alt="Thumbnail" height="180" src="http://api.ning.com:80/files/aXhUnbDV8Up4F4iYtDnRLLj5LWea37UdsCTv4AjNvHw*de8myQq-OXMErhhHy5Ajq7k0L57XqwFnY0KMyohgeENqe*FyWf82/916041176.jpeg?width=240&amp;height=180" width="240"></img><br /> </a> <br></br>The number of sunspots increases and decreases over time in a regular, approximately 11-year cycle, called the sunspot cycle. The exact length of the cycle can vary. It has been as short as eight years and as long as fourteen, but the number of sunspots always increases over time, and then returns to low… <a href="http://www.atheistnexus.org/video/nasa-solar-cycle"><br /> <img src="http://api.ning.com:80/files/aXhUnbDV8Up4F4iYtDnRLLj5LWea37UdsCTv4AjNvHw*de8myQq-OXMErhhHy5Ajq7k0L57XqwFnY0KMyohgeENqe*FyWf82/916041176.jpeg?width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />The number of sunspots increases and decreases over time in a regular, approximately 11-year cycle, called the sunspot cycle. The exact length of the cycle can vary. It has been as short as eight years and as long as fourteen, but the number of sunspots always increases over time, and then returns to low again.