sunspot

How To Use sunspot In A Sentence

• Hale also gained prominence as an astronomer with his invention of the spectroheliograph and the discovery of magnetic fields in sunspots.
• The nuclei of larger sunspots sometimes undergo disintegration or splitting into several parts.
• Using an observation technique known as farside, we can determine the position of sunspots on the hidden side of the Sun. Irene González-Hernández, a scientist at the NOAO (National Optical Astronomical Observatory) said during her address to the 4th International HELAS Conference in Lanzarote (Canary Islands) that: "activity in the farthest regions of the Sun.can be observed by looking at waves in the nearer regions. Signs of the Times
• It went on to warn that further flares are likely in the next week, and because the sunspot is moving into line with Earth, the risk of disruptions is even greater as the solar activity will strike the planet head-on.
• For example, magnetic fields could be added to global simulations of solar convection to address the operation of the dynamo that drives the sunspot cycle.
• The Sun spins once on its axis once every 25 days at its equator, carrying sunspots around.
• When many sunspots are visible, the Sun is somewhat brighter than in ‘quiet’ times and radiates considerably more in the ultraviolet.
• In one such list the Jesuit astronomer Christopher Scheiner is included for his discovery of the sunspots.
• Decadal and longer changes in sunspot activity impacting warming and cooling cloud cover patterns are now being recognized as an important factor. Confessions Of A Climate Crisis Skeptic
• Sunspot activity has been historically quite high since the 1970s, and if this correlates to climate as much data suggest, a fair amount of the warming attributed to CO2 forcing is actually due to solar cycles. Matthew Yglesias » Today in Pessimism