时间:2019-01-30 作者:英语课 分类:60秒科学


英语课

Earth's Fried Far-Future Postponed
A study in the Proceedings 1 of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports.


[The following is an exact transcript 2 of this podcast.]


About a billion years from now, some scientists say, the sun will be too bright for comfort, and our formerly 3 hospitable 4 planet will no longer be able to support life. If visions of this impending 5 heat death disturb you, researchers from the California Institute of Technology have some good news. Their calculations add at least another billion years to Earth's expiration 6 date, results published in the Proceedings of the National Academy of Sciences.


As our sun matures it grows brighter and hotter. And over the past three or four billion years, the Earth’s been coping with the extra rays by getting rid of some of the CO2 in the atmosphere. Thinning out the CO2 that blankets the earth helps to keep things cool. But that can't go on forever because we'd be left with no blanket at all.


Now the Caltech scientists say that the planet may be able to compensate 7 by removing nitrogen from the atmosphere. That'll decrease atmospheric 8 pressure, which will then loosen the weave of the CO2 blanket and allow more heat to escape. So stop and smell the roses. We may have an additional billion years to figure out this extreme case of global warming.


—Karen Hopkin


 



n.进程,过程,议程;诉讼(程序);公报
  • He was released on bail pending committal proceedings. 他交保获释正在候审。
  • to initiate legal proceedings against sb 对某人提起诉讼
n.抄本,誊本,副本,肄业证书
  • A transcript of the tapes was presented as evidence in court.一份录音带的文字本作为证据被呈交法庭。
  • They wouldn't let me have a transcript of the interview.他们拒绝给我一份采访的文字整理稿。
adv.从前,以前
  • We now enjoy these comforts of which formerly we had only heard.我们现在享受到了过去只是听说过的那些舒适条件。
  • This boat was formerly used on the rivers of China.这船从前航行在中国内河里。
adj.好客的;宽容的;有利的,适宜的
  • The man is very hospitable.He keeps open house for his friends and fellow-workers.那人十分好客,无论是他的朋友还是同事,他都盛情接待。
  • The locals are hospitable and welcoming.当地人热情好客。
a.imminent, about to come or happen
  • Against a background of impending famine, heavy fighting took place. 即将发生饥荒之时,严重的战乱爆发了。
  • The king convoke parliament to cope with the impending danger. 国王召开国会以应付迫近眉睫的危险。
n.终结,期满,呼气,呼出物
  • Can I have your credit card number followed by the expiration date?能告诉我你的信用卡号码和它的到期日吗?
  • This contract shall be terminated on the expiration date.劳动合同期满,即行终止。
vt.补偿,赔偿;酬报 vi.弥补;补偿;抵消
  • She used her good looks to compensate her lack of intelligence. 她利用她漂亮的外表来弥补智力的不足。
  • Nothing can compensate for the loss of one's health. 一个人失去了键康是不可弥补的。
adj.大气的,空气的;大气层的;大气所引起的
  • Sea surface temperatures and atmospheric circulation are strongly coupled.海洋表面温度与大气环流是密切相关的。
  • Clouds return radiant energy to the surface primarily via the atmospheric window.云主要通过大气窗区向地表辐射能量。
标签: 60秒科学
学英语单词
a posteriori loss
antirachitic factor
arachidic bronchitis
as blind as a brickbat
attock
ballow
bank-sponsoreds
beatdown
bodypaints
book paper
breakthrough technology
Cagna, Mt.de
calcisols
canales palatinus major
caustic liquor
Cefzon
cloudified
cochinchinensis
concreation
cycle rate counter
damping of pulsation
do utmost
earth-nut oil
ensilage crop
entrants
fallen angels
fantasie
fenpropamin
flood prediction
foggini
fresh sausage meat
fried pigeon with vegetable
greither syndrome(progressive palmoplantar keratod-erma)
handle for grinding wheel dresser
hennen
high quality factor
hoist pump operating lever
idiopathicresorption
international code of signal
intraploidy
iso-allele(stern & schaeffer 1943)
Korsakovka
legateships
lie hard on
liquid adhesives
local autonomy
manganese doped germanium
maziest
Me and You
melcombe
membranized
Monticello
multinozzled plate
multiple wavelength laser
non-con
nonradio
obdiplostemonous stamen
objectionably
octane ratings
once-impoverished
operating cycle
osculating Riemanmian space
outage method
outboard motor boat
Oxiurose
painted mark
part correlation
peak stage
pelviscope
persians
Petzval lenses
pogonophore
porous media
pregozen
proceed against sb for sth
Promote rational flow of property right
psaloid
psychological barriers
pushed through
radar returns
rebased
reenthronement
renditions
S share
Sacandaga R.
savaloy
semivitreous whiteware
Shinshiro
single building
slangs
sophisticated society
spendiferously
sun-cured hay
teching reacotr
third-order hexagonal prism
thrilled
tidalflat facies
true distance
untanking
verm(o)uth
vodka sauce
Zhitnitsa