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



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英文字典中文字典相关资料:


  • 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
  • Sunspots – Definition, Formation, Solar Cycle, and Effects
    Sunspots are dark regions on the Sun caused by magnetic fields Learn how they form, their structure, solar cycle, and effects on Earth
  • Sunspots: What are they, and why do they occur? | Space
    According to the University Corporation for Atmospheric Research (UCAR), if you could cut out a standard sunspot from the sun and place it in the night sky, it would appear as bright as a full
  • 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
  • Sunspots Solar Cycle - NOAA NWS Space Weather Prediction Center
    Sunspots appear in a wide variety of shapes and forms The darkest area of a sunspot (also the first to be observed) is called the umbrae As the sunspot matures (becomes more intense), a less dark, outlying area of well-defined fibril-like structure develops around the umbrae - called penumbra
  • 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
  • Sunspots: Symptoms, Causes, Diagnosis, and Treatment - Health
    Still, if you notice new sunspots, see a board-certified dermatologist to make sure it’s actually a sunspot and not skin cancer
  • Current sunspot cycle activity - Solar Cycle 25; Space weather, solar . . .
    High frequency and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines
  • Auroras likely as most active sunspot in years turns toward Earth
    Sunspot activity peaks every 11 years, when the sun's magnetic poles flip places during a period called solar maximum





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