The technical names for the night time displays are aurora borealis (northern lights) for the northern hemisphere and aurora australis (southern lights) for the southern hemisphere. In this article, the term northern lights will predominantly be used, but the same science applies to the southern l...
When and Where Can You See the Northern Lights? While solar storms are constant, auroras tend to be more dazzling and more frequent during times of high solar activity, which occurs on a roughly 11-year cycle. At the middle of this cycle, the sun goes through a period of intense activity...
Discover everything there is to know about the northern lights, including how they form, where they can be seen and what causes their colors. (Image credit: Westend61 via Getty Images) Jump to: What causes the northern lights? Northern lights FAQs Solar maximum Where & when to see...
There is less rain in the southern part than in the northern part, 8. so the south is drier. There are fewer plants and animals there, and it's more difficult for people 9. to live(live). But when it rains at the end of the summer, the land becomes greener and more beautiful. ...
JingdezhenbyEmperorZhenzongoftheNorthern SongDynastybecameamajorkiln(窑)sitearound 1004.Duringtheperiod,the3. (produce)ofporcelaininthisareafirstbecame4. (know).Bythe14thcenturyithadbecome thelargestcentreofproducingChineseporcelain, whichremainedinthefollowingtimes.Inthe MingDynasty,officialkilnsinJingdezhen5....
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More than a decade ago, massive sandstorms had swept across northern China blowing eastward to strike the Korean Peninsula and Japan. Beijing hosts reception for 196th Anniversary of Peru Independence A reception to celebrate the 196th Anniversary of Peru Independence was held on Friday, July 28 ...
Writing in the journal, the scientists describe how the storks from Germany were clearly affected by the presence of waste sites, with four out of six birds that survived for at least five months overwintering on rubbish dumps in northern Morocco, instead of migrating to the Sahel. 出自-2017...
4.The___ (当地的)government is paying more attention to environmental protection.答案:1. products 2.glass 3.coin 4.localII用括号内单词的适当形式填空5.With the development of China, Chinese is___ (wide) used around the world.6.It's winter now. Most___ (leaf)on the tree have fallen ...