solar cycle

Is the Sun More Active Than it Looks? An Innovative Method to Characterize the Solar Cycle

by David Dickinson August 13, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter The Sun has provided no shortage of mysteries thus far during solar cycle #24. And perhaps the biggest news story that the Sun has generated recently is what it isn’t doing. As Universe Today recently reported, this cycle has been an […]

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Solar Cycle #24: On Track to be the Weakest in 100 Years

by David Dickinson July 29, 2013

Our nearest star has exhibited some schizophrenic behavior thus far for 2013. By all rights, we should be in the throes of a solar maximum, an 11-year peak where the Sun is at its most active and dappled with sunspots. Thus far though, Solar Cycle #24 has been off to a sputtering start, and researchers […]

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Happy (or is it Merry?) Aphelion This Friday

by David Dickinson July 2, 2013

This 4th of July weekend brings us one more reason to celebrate. On July 5th at approximately 11:00 AM EDT/15:00 UT, our fair planet Earth reaches aphelion, or its farthest point from the Sun at 1.0167 Astronomical Units (A.U.s) or 152,096,000 kilometres distant. Remove this ad David Dickinson on Google+

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“Cool” Gas May Be At The Root Of Sunspots

by Tammy Plotner February 1, 2012

Although well over 40 years old, the Dunn Solar Telescope at Sunspot, New Mexico isn’t going to be looking at an early retirement. On the contrary, it has been outfitted with the new Facility Infrared Spectropolarimeter (FIRS) and is already making news on its solar findings. FIRS provides simultaneous spectral coverage at visible and infrared […]

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The Sun’s Conveyor Belt May Lengthen Solar Cycles

by Nicholos Wethington August 12, 2010

The Sun seems to finally be waking up in earnest from the long slumber of the past cycle. Solar cycles tend to last on average about 11 years, but the last cycle – solar cycle 23 – was 12.5 years long. The cause of the most recent lull in the Sun’s activity is somewhat enigmatic, […]

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