工作“日”来的？这么爽？？
原帖由 四香油饼 于 2010-5-24 12:12 发表 http://www.freeoz.org/bbs/images/common/back.gif俺说的每天是工作日来的;P 看来工作很轻松啊！羡慕 :good :good :good 国家地理，是我奋斗的目标，呵呵，虽说有点远了，但是有目标就有努力的方向，哈哈:happy: :oil
Winged Wonder
Wings outstretched, talons flared, and ears tuned to the faintest scrabblings of a rodent hidden under winter's white carpet, a snowy owl in Quebec Province, Canada, prepares to pounce.
回复 .#37 四香油饼 的帖子
哇....塞，这还是人间吗......！ 原帖由 四香油饼 于 12-5-2010 09:59 发表 http://www.freeoz.org/bbs/images/common/back.gif从今天起，争取每天贴1张国家地理图片，希望能坚持下去，大家监督
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This South African lion looks a bit grouchy, but he was actually yawning. His yawning caused a chain reaction of yawns from e ...
主意不错，坚持啊:good 原帖由 四香油饼 于 26-5-2010 09:24 发表 http://www.freeoz.org/bbs/images/common/back.gif
120431
Wings outstretched, talons flared, and ears tuned to the faintest scrabblings of a rodent hidden under winter's white carpet, a snowy owl in Quebec Province, Canada, prepares to pounce.
喜欢他的大毛靴:D
Tough Sledding
Day after day after day for two months, Mike, like Børge, dragged a floatable sledge over rugged pack ice. Except for two rest days, the routine never changed: Rising after seven hours of sleep, Mike and Børge wolfed down a breakfast of oatmeal generously fortified with fat and sugar, broke down the tent, and packed equipment—a three-hour process. Then came ten hours or more of skiing with breaks for snacks followed by a freeze-dried meal at night. "For the first four days, you think only about women," says Mike. "The rest of the way you think of nothing but food. For me it was thick steaks and pizza."
Signs of Trouble
This toxic flatworm's vivid markings spell danger to potential predators along Hawaii's coral reefs.
Digging in Deep
Skidding from a full canter to a cloud-of-dust stop, horse and rider display a muscular flash of Old West skill at the 2006 World Equestrian Games in Aachen, Germany. First prize in the individual reining competition: $12,000.
Making Faces
The town of Binche, in Belgium, takes its Mardi Gras silliness seriously. The face of parade character "Gilles" is an internationally protected trademark. Only parade marchers may buy the wax masks.
Deadly Edge
Rocks turned to razors, eroded limestone pinnacles rise 300-plus feet (90 meters) from the forest floor of Madagascar's Bemaraha National Park—challenging researchers who study the island's rare and endangered species. :good
Hail to the Queen!
A worker bulldog ant offers a liquid dollop—an infertile egg from her own abdomen—to her queen.
Land of Trials and Triumphs
Kingsmill Creek winds its way to the northern edge of the swampy piece of land where English settlers established Jamestown in 1607. When they arrived, what is now an island was a peninsula, connected to the mainland by a narrow strip of land.
回复 #48 四香油饼 的帖子
中国北方也有许多看着像照片上类似的湿地，水的规模小得多；树边缘灌木丛里经常会有许多野果，例如“水葡萄”；好奇心太大的人往往喜欢往水边走，走吧，如果是个冒，陷阱可不是闹着玩的！看着平的植被下，一脚下去，鬼才知道它真正的底细:funk: .......!Lava Lamp
The infernal glow of a lava lake in the Ertale volcano rivals moonrise over the Danakil Desert. Molten surface temperatures range from 550°F (288ºC) near the 262-foot-high (80 meters) walls to nearly 1000°F (538ºC) at the center of the pit.
Blue Haven
n Svalbard, Norway, a kittiwake glides over an iceberg's jagged maw. Fragments of glaciers and ice shelves, bergs are floating oases for birds, seals, and other wildlife.
A Mother's Touch
When Legadema was only a few days old, her mother spent as much time with her as possible. Those first few days may be critical for any young animal to imprint on the smell and look of its mother, even though leopards become independent surprisingly quickly. These are solitary cats, which you can sense from the very beginning.
On the Lookout
A ringed seal scans for polar bears before snatching a breath. Stealthy bears grab seals at these icy holes.
Cosmic Flourish
Comet McNaught exuberantly trumps the New Zealand town of Ashburton's electric glow. Discovered by Australian astronomer Robert McNaught in 2006, the comet put on the brightest show of its kind in 40 years.
回复 #54 四香油饼 的帖子
Ashburton在Christchurch西南方，一个不甚起眼的小镇，附近Rakaia是新西兰的三文鱼之都呢。:D这个彗星的照片真的很漂亮啊！:zan 补充一些关于Comet McNaught的小知识。外加照片一张：
http://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Comet_P1_McNaught02_-_23-01-07.jpg/800px-Comet_P1_McNaught02_-_23-01-07.jpg
Comet P1 McNaught, taken from Swifts Creek, Victoria, Australia at approx 10:10 pm 原帖由 stellahie 于 11-6-2010 12:24 发表 http://www.freeoz.org/bbs/images/common/back.gif
Ashburton在Christchurch西南方，一个不甚起眼的小镇，附近Rakaia是新西兰的三文鱼之都呢。:D
这个彗星的照片真的很漂亮啊！:zan 补充一些关于Comet McNaught的小知识。外加照片一张：
http://upload.wikimed ...
俺还没见过彗星呢，请问彗星是这么一直呆在天上的，还是像流星一样很快就过去了？
回复 #56 四香油饼 的帖子
★ 彗星(Comet)
彗星的本体主要是由冰冻的气体和微尘所组成，也因此有「脏雪球」的称号，它的直径通常只有数公里左右，10公里以上的就算非常巨大了，而它的轨道多为扁长的椭圆形或是抛物线，前者绕行太阳一圈的时间从几年到几万年以上都有，后者则在造访太阳一次之后就永远都不会回来了；平时的彗星因为距离太阳较远，因此都处於冰冻的状态，且光度极为黯淡，但只要一进入到地球的轨道附近，与太阳的距离缩短之后，就会开始活泼起来，同时释出许多的微尘形成彗发和彗尾，体积非常巨大，最大的甚至可以和太阳相较，但其密度却稀薄的比地球上所能制造的「真空」还要小。
肉眼即可见到的大彗星不会太常出现，但能用望远镜或摄影观测的彗星每年都会有一、二十个以上，若偶尔出现壮观明亮的大彗星时，就会引起广大的天文热潮，如前几年的百武彗星和海尔‧波普彗星即是，不过除了周期76年的哈雷彗星之外，能够引起大众注意的几乎全是非周期彗星(指周期大於200年或不会回归的彗星)了；2004年5月时预计将有2颗亮度达到1等以上的大彗星，在日落后将同时出现於西方天空，此一难得的天文奇观值得期待。
★ 流星(Meteor)
流星的本体主要是一些漫游在太空中的灰尘微粒，体积非常的小，有些甚至小到连肉眼都看不见，它们因受到地球引力的吸引而掉落到地球上，通常以秒速11~71公里的速度进入地球的大气层，和大气摩擦产生的高热便足以将它们本身汽化消失，并因为电子遭到激发而散发光芒，发光的高度约在80~120公里左右，且只要几公厘的大小就可以很明亮了；而质量较大的流星体，或亮度在-2等以上的大流星我们通常称为「火球」或「火流星」，其中有些会在中途因爆炸而大量增光，有时甚至还能听到声音，有些明亮的流星在划过后会留下淡淡的流星痕，规模较大的还可以持续数分钟之久，而后将随著高空的强风而慢慢的散开消失。
平常的夜晚我们常常能看到几颗散落的流星飞过孤寂的夜晚，但除了这些随机出现的流星外，有时候在短时间之内会出现大量的流星(每小时数十颗以上)，并且都自同一个辐射点向外飞出，这就是我们所谓的「流星雨」；流星雨是在地球穿过一群彗星经过后而遗留下来的微尘时所发生的，能造成流星雨的彗星必须轨道和地球相交，因此我们常说彗星就是流星的母亲；每年地球都会定期的穿过某些流星群而形成流星雨(Meteor Shower)，其中较为著名的有象限仪座(天龙座ι)流星雨、英仙座流星雨、狮子座流星雨和双子座流星...等，流星雨的命名方式通常以辐射点的位置而定，其每小时的流星数(ZHR)通常在几颗到上百颗不等，有时候还会出现罕见的「流星暴」现象，每小时的流星数可以到达1000颗甚至数十万颗以上，非常壮观；而其中最为著名的狮子座流星雨每隔33年就会有一次持续几年的极大期，在极大时就很有可能出现流星暴的盛况。
引用自：http://zhidao.baidu.com/question/10940849
还有更详细的解说：http://zhidao.baidu.com/question/1940881.html
如同珍珠的产生，有时美丽事物的起点只是颗小小的沙粒… 这句话真美啊:yct_14
Historic Stroll
In 1984, Bruce McCandless II became the first person to walk untethered in space. His jet-pack-powered stroll near the shuttle Challenger was one milestone in humanity's journey into space—an adventure that began 50 years ago this month. amazing pictures :good
勤劳的饼饼 :zan
India
The blue walls of Jodhpur traditionally marked homes occupied by high-caste Brahmans. The rooftop langurs, believed by Hindus to be avatars of the monkey god Hanuman, freely roam the city.