首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
At one time, scientists thought the space between Earth and Sun was a vacuum. But we now know that the sun fills it with gusts o
At one time, scientists thought the space between Earth and Sun was a vacuum. But we now know that the sun fills it with gusts o
admin
2013-06-02
63
问题
At one time, scientists thought the space between Earth and Sun was a vacuum. But we now know that the sun fills it with gusts of hot, electrically charged atomic【B1】______ called the solar wind. Sometimes this wind blows hard. When the Sun’s outer layer is very active, it【B2】______ nearly one-third of its gaseous matter outward at supersonic speeds.
The U.S. government’s oceans and atmosphere agency NOAA, has a Space Environment Center to monitor these【B3】______ . The center’s director, Ernest Hildner, says【B4】______ solar emissions are not dangerous to people on the ground, but can be a【B5】______ to airplane occupants and astronauts. They can also shut down satellites, power networks, communications, and other technical systems.
Scientists have long known that solar storms are generated internally by the sudden【B6】______ of magnetic energy rising to the surface. Like a tightly【B7】______ rubber band, the Sun’s magnetic fields can suddenly snap into a new shape. Researchers have tried to predict solar storms by【B8】______ on these magnetic patterns. But【B9】______ . But how are they linked to solar storms?
New satellite data have provided answers to U.S. government scientists and colleagues from the aerospace firm Lockheed Martin. They have revealed that【B10】______ . Lockheed Martin physicist Karel Schrijver says【B11】______ .
【B11】
选项
答案
this interaction creates more electrical current than normally associated with a magnetic field.
解析
这种相互作用产生的电流比一个磁场产生的电流更强。
转载请注明原文地址:https://kaotiyun.com/show/GaB7777K
0
大学英语六级
相关试题推荐
A、Industriesinthepastandatpresent.B、Changesinthedevelopmentofindustries.C、Theprotectionofindustrialworkersand
A、Thequickeritvibrates,thegreaterthefrequencyofsounditproduces.B、Thesloweritvibrates,thehigherthefrequencyof
A、Themanwastheonlysurvivorofanaircrash.B、Peopleonboardwerefrightenedandtriedtoescape.C、Themanhasalwaysbee
Althoughtherearebodylanguagesthatcancrossculturalboundaries,cultureisstillasignificantfactorinallbodylanguage
A、Customerandclerk.B、Professorandstudent.C、Bossandemployee.D、Lawyerandclient.BM:Haveyoumadeupyourmind?W:Yes,
Theratiobetweenpaymentsintoandoutofacountryisknownasthecountry’sbalanceofpayments.Besidesthevalueofimports
MoreAmericansaretakingupeducationafterretirementspartlybecause______.Whatcanbeinferredfromthelastparagraphab
Africanelephantshavebeenslaughteredatalarmingrateoverthepastdecade,largelybecause,theyaretheprimarysourceoft
A、Self-confidence,hardwork,highereducationandapoorfamily.B、Mom’sencouragement,cleargoals,self-confidenceandhardw
Beautyhasalwaysbeenregardedassomethingpraiseworthy.Almosteveryonethinksattractivepeoplearehappierandhealthier,h
随机试题
计算对接接头静载强度时,不考虑焊缝的(),所以计算基本金属强度的公式完全适用于计算对接接头。
听阈是指
药品经营企业必须具有
简述无权处分与无权代理有何区别。[苏州大学2012年研]
当工程总报价确定后,通过调整工程量清单内某些项目的单价,使其不影响中标,但又能在结算时获得较好的经济效益的投标报价技巧称为( )。
玻璃钢冷却塔的重量包括( )等。
“勉从虎穴暂栖身,说破英雄惊煞人。巧将闻雷来掩饰,随机应变信如神。”这首诗说的是《三国演义》中一段故事。这个故事是:
工具是个人相互联系的中介。()
战后西方主要资本主义国家出现的新变化表明()
软件需求规格说明书的作用不包括
最新回复
(
0
)