sun-凯发k8官网

13-05-29 a summary of the physical and chemical nature of life must begin, not on the earth, but in the sun; in fact, at the sun's very center. it is here that is to be found the source of the energy that the sun constantly pours out into space as light and...

13-05-23 researchers at the universities of leeds and chicago have uncovered an important mechanism behind the generation of astrophysical（天体物理学的） magnetic fields such as that of the sun. scientists have known since the 18th century that the sun regu...

13-05-02 there are two brothers, aged four or five years old, as the bedroom windows are closed all day, and they think the house is too dark to see outside the bright sun, feel envy. brothers on the discussion, said: we can put together a little outside in....

13-03-21 thirty-five years after its launch, voyager 1 appears to have travelled beyond the influence of the sun and exited the heliosphere（太阳风层） , according to a new study appearing online today. the heliosphere is a region of space dominated by the s...

12-12-04 scattered around the milky way are stars that resemble（类似） our own sun -- but a new study is finding that any planets orbiting those stars may very well be hotter and more dynamic than earth. that's because the interiors of any terrestrial plane...

12-10-19 i was up the next morning before the october sunrise, and away through the wild and the woodland. the rising of the sun was noble in the cold and warmth of it peeping down the spread of light, he raised his shoulder heavily over the edge of grey mou...

12-05-17 plants are dependent on the sun. sunlight does not only supply them with energy, but also controls their development steps. so-called photoreceptors（感光器） activate the processes of germination（发芽） , leaf development, bud formation, and bloss...

12-03-29 ....and the weekend promises sunshine and southerly breezes. make the most of it! the weatherman's cheery voice came from the tv, precariously（不安全地） perched on a pile of books, the only way she'd yet found for its cable to reach the socket. pi...

11-12-19 imagine jeans, sweats or socks that clean and de-odorize themselves when hung on a clothesline in the sun or draped on a balcony railing（栏杆，扶手） . scientists are reporting development of a new cotton fabric that does clean itself of stains and...

11-11-17 lawyer: you say you were about thirty-five feet away from the scene of the accident? just how far can you see clearly? witness: well, when i wake up in the morning i see the sun, and they tell me it's about ninety-three million miles away. 律师：你...