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pertinaciously    
ad. 执拗地;顽固地

执拗地;顽固地

pertinaciously
adv 1: in a dogged and pertinacious manner; "he struggled
pertinaciously for the new resolution"


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  • Aurora - Wikipedia
    In the Arctic they are called northern lights (aurora borealis); in the Antarctic, the terms southern lights (aurora australis) are used [2][3] Auroras display dynamic patterns of radiant light that appear as curtains, rays, spirals or dynamic flickers covering the entire sky
  • Northern lights (aurora borealis): What they are and how to see them
    Discover everything there is to know about the northern lights, including how they form, where they can be seen and what causes their colors
  • Auroras - NASA Science
    Also known as the northern lights (aurora borealis) or southern lights (aurora australis), auroras are colorful, dynamic, and often visually delicate displays of an intricate dance of particles and magnetism between the Sun and Earth called space weather
  • Aurora | NOAA NWS Space Weather Prediction Center
    The Aurora Borealis (Northern Lights) and Aurora Australis (Southern Lights) are the result of electrons colliding with the upper reaches of Earth’s atmosphere (Protons cause faint and diffuse aurora, usually not easily visible to the human eye )
  • The Northern Lights (Aurora Borealis) Explained - WorldAtlas
    The northern lights, or aurora borealis, are luminous patterns that appear in high-latitude skies when energetic particles from the Sun interact with Earth’s upper atmosphere
  • What are the northern lights? The aurora borealis explained
    The northern lights, also called the aurora borealis, have transfixed humans for thousands of years Discover the best time and place to see this natural phenomenon as well as the science behind how we forecast it
  • Aurora | Location Facts | Britannica
    Aurora, luminous phenomenon of Earth’s upper atmosphere that occurs primarily in high latitudes of both hemispheres; in the Northern Hemisphere auroras are called aurora borealis, aurora polaris, or northern lights, and in the Southern Hemisphere they are called aurora australis or southern lights
  • Aurora Borealis: A Brief Overview - U. S. National Park Service
    The aurora borealis (Northern Lights) occurs when a coronal mass ejection (CME), a massive burst of solar wind and magnetic fields, interacts with elements in the earth's atmosphere
  • Northern Lights Forecast. Map, Probability and Forecast
    Northern Lights, Polar Lights or Aurora Borealis Want to see the Northern Lights in real time? Our website will help you plan the perfect photo hunt! With the help of the interactive map you can track the movement of the northern lights, find out the activity index (KI-index) and the probability of observation in your region Aurora right now
  • Northern Lights Live Tracker | Aurora Forecast Kp-Index Tonight
    Track the Northern Lights live with our real-time Kp-index monitor and aurora forecast map See if the aurora borealis is visible in your location right now





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