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sunspot    音标拼音: [s'ʌnsp,ɑt]
n. 太阳的黑点,雀斑



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  • Sunspot - Wikipedia
    High sunspot activity is celebrated by members of the amateur radio community as a harbinger of excellent ionospheric propagation conditions that greatly increase radio range in the HF bands
  • Sunspots - NASA Science
    This video, captured by NASA’s Solar Dynamics Observatory between July 5 to 11, 2017, shows a sunspot moving across the Sun Like freckles on the face of the Sun, sunspots appear to be small features, but size is relative: The dark core of this sunspot is actually larger than Earth
  • Sunspot regions | Solar activity | SpaceWeatherLive. com
    On this page you'll find an overview of all the visible sunspot regions on the Sun together with their properties, images and the chances on solar flares or proton events
  • A monstrous sunspot 15 Earths wide is currently facing Earth: Heres . . .
    A monstrous sunspot region 15-Earths-wide is currently so large it can be seen without binoculars or telescopes But you'll still need proper eye protection
  • What Is a Sunspot? How They Form and Affect Earth
    A sunspot is a temporary dark patch on the surface of the Sun, caused by intense magnetic fields that block heat from reaching the surface Sunspots look dark only by contrast: they’re cooler than their surroundings, but still blisteringly hot at roughly 5,000 to 7,600°F
  • Solar Cycle Progression | NOAA NWS Space Weather Prediction Center
    The observed and predicted Solar Cycle is depicted in Sunspot Number in the top graph and F10 7cm Radio Flux in the bottom graph The predicted progression for the current solar cycle (Cycle 25) is given by the magenta line, with associated uncertainties shown by the shaded regions
  • Sunspots – Definition, Formation, Solar Cycle, and Effects
    Sunspot records reveal periods of unusually low (minima) and high (maxima) solar activity These variations reflect changes in the Sun’s magnetic dynamo and provide insight into long-term solar behavior
  • Sunspot - Where Tie-Dyes and Neckties Unite
    2200 Cumberland Ave, Knoxville, TN 37916 info@sunspotrestaurant com 865 637 4663 Work at Sunspot employment application Join our mailing list Stay updated on what’s happening at Sunspot Visit Our Sister Restaurants aubrey’s bistro by the tracks stefanos bluetick tavern Fieldhouse Social
  • Sunspot Supply | Growing Supplies for your Sun Spot
    Sunspot Supply | Growing Supplies for your Sun Spot First time using this product, was unsure how it would work as my yard had a lot of weeds first application went on easily and worked extremely well I would recommend this product for post emergent weeds
  • Current Solar Activity Sunspots – Real-Time Sky Data
    Explore today's real-time solar data, including live sunspot images, solar spectrum updates, and nautical twilight times Stay updated on current sky activity with accurate solar observations





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