恒星磁场

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(八)月

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(46) / 评论(0) 分类 自然百科2011年

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(46) / 评论(0) 分类 自然百科2011年

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

发表于:2019-01-22 / 阅读(57) / 评论(0) 分类 自然百科2011年

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

发表于:2019-01-22 / 阅读(51) / 评论(0) 分类 自然百科2011年

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(61) / 评论(0) 分类 英语新闻
学英语单词
abnormalise
acetal copolymer
adarand
afforestation and reforestation machinery
Alune
Alvaiazere
anomalous interference color
antiprogestin
arlco-urease
aspect ratio (ar)
Australian Alps
auxiliary handling operation
Basket trades
begonia cocchineas
belt-driven
bio-slime
bio.
bogardus social distance scale
Book of the Prophet Daniel
cactuss
catadioptric telescope
Chinese actinidia root
cold crack
collector base admittance
collector-coupled logic
compliableness
cross stroke
curtain plate
dead silence
dicyclopentadiene
division manager
do the right thing by someone
electronic information services
Emericid
epiplosarcomphalocele
equity reit
explicar
Exposure netting
family Thymelaeaceae
fire-box boiler
fulfil the terms
fungotelinite
garnet lacs
gehre
gentelmancommoner
goggled
greasing truck
heater condensing zone
horizontal fracture
hosted services
intimae
Jimmy Carter
loaded edge
longguette
louringly
melocactuss
miichthys miiuy
millivolt analog digital instrumentation system
mountaineer (alpinist)
musculus extensor antibrachii
negative colony
Niccolo Machiavelli
offit
overgiving
papillary process
Phyllanthodendron anthopotamicum
pneumorachicentesis
polar lakes
postulate of superposition
rainswepts
range survey
recuperative furnace
religated
required date
rhacophorus moltrechti
Salitral, R.
santamarina
scavenging air pump
searching examination
secondary current-carrying part
secondary marshalling
semilog model
shaded transducer
shot copper
shrimpa
sociotechnological
solan
soloway
subsequent conduct
Suisun Bay
take the burnt of
Tauchnitz, Karl Christian Traugott
thread class
to play around
Tongue of the Ocean
tonnage-rent
trigonometric function forecast method
Uhthoff's phenomenon
unthroughfaresome
Uruburetama, Sa.da
world oil
yenkiss