s*****t
发帖数: 1994 | 1 Comet McNaught Over Catalonia
Credit & Copyright: Juan Casado (skylook.net)
Explanation: This past weekend Comet McNaught peaked at a brightness that
surpassed even Venus. Fascinated sky enthusiasts in the Earth's northern
hemisphere were treated to an instantly visible comet head and a faint
elongated tail near sunrise and sunset. Recent brightness estimates had
Comet McNaught brighter than magnitude -5 (minus five) over this past
weekend, making it the brightest comet since Comet Ikeya-Seki in |
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s*****t
发帖数: 1994 | 2 Comet McNaught Over Catalonia
Credit & Copyright: Juan Casado (skylook.net)
Explanation: This past weekend Comet McNaught peaked at a brightness that
surpassed even Venus. Fascinated sky enthusiasts in the Earth's northern
hemisphere were treated to an instantly visible comet head and a faint
elongated tail near sunrise and sunset. Recent brightness estimates had
Comet McNaught brighter than magnitude -5 (minus five) over this past
weekend, making it the brightest comet since Comet Ikeya-Seki in |
|
s*****t
发帖数: 1994 | 3 McNaught's Matinee
Credit & Copyright: Stefan Seip - Inset: David Levy
Explanation: Comets grow bright when they're close to the Sun, basking in
the intense solar radiation. Of course, they're also usually impossible to
see against the overwhelming scattered sunlight. But surprising Comet
McNaught - whose January 12 closest approach to the Sun (perihelion passage)
was well inside the orbit of Mercury - gave an enjoyable performance in
bright blue daytime skies. In fact, comet expert David Levy c |
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s*****t
发帖数: 1994 | 4 McNaught's Matinee
Credit & Copyright: Stefan Seip - Inset: David Levy
Explanation: Comets grow bright when they're close to the Sun, basking in
the intense solar radiation. Of course, they're also usually impossible to
see against the overwhelming scattered sunlight. But surprising Comet
McNaught - whose January 12 closest approach to the Sun (perihelion passage)
was well inside the orbit of Mercury - gave an enjoyable performance in
bright blue daytime skies. In fact, comet expert David Levy c |
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z**z
发帖数: 436 | 5 Comet McNaught has become the brightest comet in 30 years, according to the
International Comet Quarterly at the Harvard-Smithsonian Center for
Astrophysics.
Tonight (Wednesday, Jan. 10) may be the best chance for Northern Hemisphere
viewers to spot it.
http://www.space.com/spacewatch/070104_comet_mcnaught.html
Not sure if the sky will be clear to see it today or tomorrow...I remember
we watched comet Haley in 1986.. |
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s*****t
发帖数: 1994 | 6 The Magnificent Tail of Comet McNaught
Credit & Copyright: Robert H. McNaught
Explanation: Comet McNaught, the Great Comet of 2007, has grown a long and
filamentary tail. The spectacular tail spreads across the sky and is visible
to Southern Hemisphere observers just after sunset. The head of the comet
remains quite bright and easily visible to even city observers without any
optical aide. The amazing tail is visible on long exposures and even to the
unaided eye from a dark location. Reports eve |
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s*****t
发帖数: 1994 | 7 The Magnificent Tail of Comet McNaught
Credit & Copyright: Robert H. McNaught
Explanation: Comet McNaught, the Great Comet of 2007, has grown a long and
filamentary tail. The spectacular tail spreads across the sky and is visible
to Southern Hemisphere observers just after sunset. The head of the comet
remains quite bright and easily visible to even city observers without any
optical aide. The amazing tail is visible on long exposures and even to the
unaided eye from a dark location. Reports eve |
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wh
发帖数: 141625 | 8 赞美妈妈。
还有更多的：
List of people with the most children
# Children Mother/Couple Notes
69 Mrs. and Mr. Feodor Vassilyev (1st wife) Vassilyev and his first
wife, whose name is unknown, holds the record for most children a couple has
parented. She gave birth to a total of 69 children. She gave birth to 16
pairs of twins, 7 sets of triplets and 4 sets of quadruplets between 1725
and 1765, in a total of 27 births. 67 of the 69 children born were said to
have survived infancy.
57 Mrs. ... 阅读全帖 |
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wh
发帖数: 141625 | 9 赞美妈妈。
还有更多的：
List of people with the most children
# Children Mother/Couple Notes
69 Mrs. and Mr. Feodor Vassilyev (1st wife) Vassilyev and his first
wife, whose name is unknown, holds the record for most children a couple has
parented. She gave birth to a total of 69 children. She gave birth to 16
pairs of twins, 7 sets of triplets and 4 sets of quadruplets between 1725
and 1765, in a total of 27 births. 67 of the 69 children born were said to
have survived infancy.
57 Mrs. ... 阅读全帖 |
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b******t
发帖数: 595 | 10 21世纪前十年足球战术的演变之七：队内轮换
（写于2010年1月28日）
原文链接：
http://www.zonalmarking.net/2010/01/28/how-the-2000s-changed-ta
虽然这个论题并不是直接地关于球场上的战术，队内轮换的概念几乎已经成为欧洲顶尖
球队的必需，而且对于教练选择球员有很大的影响。
在1980-81赛季，阿斯顿维拉赢得联赛，也是他们七十一年来的第一个冠军。他们最牛
逼的统计数据不是他们的总积分，也不是他们的“总进球”或“总失球”，而是他们用
过的球员数。在四十二场联赛比赛中，他们只用了十四名球员----这在今天会是大多数
英超球队一场比赛用的球员。布雷姆纳（Des Bremner），考文斯（Gordon Cowans），
迪西（Eamon Deacy），埃文斯（Allan Evans），哥迪斯（David Geddis），吉布森（
Colin Gibson），麦克罗特（Ken McNaught），莫雷（Tony Morley），莫迪默（
Dennis Mortimer），里默（Jimmy Rimmer），绍（Gary Shaw），... 阅读全帖 |
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j*k
发帖数: 109 | 11 http://skytonight.com/observing/home/5118926.html
And I got this in mailing list from somepeople in Houston.
I knew, immediately, that this was the brightest comet I had ever seen in
the 23 years that I had been observing comets. No, it did not have the
overall splendid appearance of either Hyakutake or Hale-Bopp. But to see a
brightly condensed comet, complete with a one half degree narrow fan tail in
almost broad daylight, just 10 minutes after sunset, (5:48 pm CST), and at
an altitude of only |
|
|
s*****t
发帖数: 1994 | 13 More photos from last evening, also from the space weather pages: |
|
s*****t
发帖数: 1994 | 14 saw it. :)
so cold outside on the top of that parking garage,
but worth it. It is about as bright as Venus, and
has ssuch a long tail. |
|
s*****t
发帖数: 1994 | 15 Comet Over Krakow
Credit & Copyright: Andrzej Sawow
Explanation: Bright Comet McNaught (C/2006 P1) graced the twilight this week
, seen by many and often described with superlatives. Watching the skies
over Krakow, Poland, Andrzej Sawow recorded this view on Wednesday - with an
ordinary handheld digital camera. He notes that "... astronomy is really
for everyone who loves to look at the night sky. And fortunately (sometimes)
the sky generously rewards its observer". Now very close to the Sun, Co |
|
s*****t
发帖数: 1994 | 16 Southern Comet
Credit & Copyright: Noel Munford (Palmerston North Astronomical Society, New
Zealand)
Explanation: After a remarkable performance in the northern hemisphere, the
brightest comet in decades is now showing off in the south. Recorded during
evening twilight on January 17, this view features the bright coma and
gorgeous, sweeping tail of Comet McNaught (c/2006 P1) over Lake Horowhenua
in Levin, a small town on New Zealand's North Island. Astronomer Noel
Munford reports that the five s |
|
|
n******e
发帖数: 623 | 18 今早（1-31）先试看了一下，用了个估计相当于10x20的单筒镜。我这里纬度大约37.5N
。在星图上查到，如果看得到地平线的话，5:39金星升起，5:48木星，7:37日出。因为
学校后面山遮挡得很多，7:04才看到金星，这时天已经很亮了。7:13看到木星，比金星
暗很多，但是都算是很亮的，附近没有可与之相比的亮星，所以很容易看到。两颗星之
间距离大约有两个月亮多一点。月亮今天还很高，之后几天会靠近金木。7:20两颗星随
便扫一眼都很容易看到。7:25木星已经较暗了要注意看才找得到。7:30木星已经很难看
到，要很注意地盯上几秒钟才看得到。7:32肉眼看不到木星了，望远镜里还很容易看到
。直到7:41在望远镜里还是稍微注意一下就看得到木星。而金星直到这时还是肉眼很容
易看到。之后没看了，从亮度估计在望远镜里至少还有十几分钟两颗 星都看得到。
两颗星在10x望远镜里距离大约是视场直径的一半，所以很容易同时看到。
2-1，金木距离只有前一天的一半，大约一个月亮的直径多点。7:26之后木星开始较难
看到，7:33肉眼看不到木星。
这样看来，日出前几分钟就看不到木星了。去年的McNaught |
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s*****t
发帖数: 1994 | 19 新浪科技讯 北京时间4月16日消息，据国外媒体报道，最近英国科学家确定，麦克诺特
彗星(Comet McNaught)是迄今为止最大彗星的“候选星”。伦敦大学学院马拉德空间科
学实验室的格雷恩特·琼斯博士在英国格拉斯哥举行的RAS国家天文学会议上，详述了
该研究结果。
这个科研小组并未通过测量彗尾的长度来确定这颗彗星的等级，而是利用欧洲航天
局和美国宇航局的“尤利塞斯”飞船获得的数据，评估受到这颗彗星干扰的空间的大小
。磁力计分析结果显示，当这颗彗星的慧核喷出的电离气体与太阳风里快速移动的粒子
产生互动时，它周围会形成冲击波，使太阳风的速度突然减慢。
2007年1月和2月，编号为C/2006 P1的麦克诺特彗星成为40年来在地球上可用肉眼
直接观测到的最为明亮的彗星。在此期间，“尤利塞斯”飞船意外穿过这颗彗星的彗尾
，这是该飞船在太空执行为期19年的任务期间，3次经过彗尾的其中一次。另外两次包
括1996年的百武彗星，它是当前最长彗尾的纪录保持者。
“尤利塞斯”飞船在相距麦克诺特彗星慧核的距离大约是地球与太阳之间距离的1.
5倍的地方，遭遇了它彗尾里的电离气体。麦克诺特彗星慧核的壮观程 |
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n******e
发帖数: 623 | 20 by neveruse(neveruseforever)，转载请注明原作者并保留此声明。
自从2007年的McNaught和Holmes慧星、V1280 Scorpii新星之后一直没有什么给力的东
西。偶尔有些慧星和新星也都在6等以上了，拍照片也只有模糊的一小点。日食连续3年
看了3次，月食以前也看过几次，有点无聊了。在这里发帖预报、贴新闻贴照片的事也
很久没做了。刚把分类的天象预报网站扫了一下，幻想一下未来计划。
2012-5-20日环食，中心经过广东、福建、日本南部、加州北部直到新墨西哥州。
2012-11-13日全食，中心经过澳洲北部。
2013-5-10日环食，中心经过澳洲北部。
2013-11-3混合食，中心经过非洲中部。
2014-10-23日偏食，北美大部分地区可以看。
2016-3-9日全食，中心经过印尼一些岛。
2016-9-1日环食，中心经过非洲中部。
2017-2-26日环食，中心经过南美南部、非洲中部。
2017-8-21日全食，中心横穿美国很多个州。
========
2011-6-15月全食，从欧洲到中国之间的地区可看。
2011-12-10月全食，从欧洲东... 阅读全帖 |
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s*****t
发帖数: 1994 | 21 新浪科技讯 北京时间9月27日消息，据国外媒体报道，全世界的天文学家正密切注意一
颗新发现彗星，即C/2012 S1 (ISON)。目前这颗彗星正运行于木星轨道之外，看上去还
只是一个微小的亮点。但是在未来一年内，它或许将成为整个夜空中最明亮的天体。
维塔利 纳瓦斯基(Vitali Nevski)和阿特罗姆 诺维克诺克(Artyom Novichonok)都是俄
罗斯国际科学光学监测网(ISON)的成员，他们于今年9月21日使用一台40厘米反射式望
远镜发现了这颗彗星，随后其他天文爱好者也很快发现了这一目标。在那之后位于美国
麻省剑桥的国际天文学联合会(IAU)小行星中心发布了有关这一彗星的通报。
结合目前已有的观测数据，天文学家们已经可以追踪到这颗彗星的运行轨迹并向后
反推，并在去年12月份拍摄的巡天图像中找到了它的身影。根据这些数据，天文学家们
计算得到其轨道参数：这颗彗星沿一个近似抛物线轨道运行，彗星几乎沿着这一轨道径
直冲向太阳。意大利拉马扎克天文台的天文学家认为在明年11月28日至29日期间，这颗
彗星将抵达距离太阳表面不足140万公里的位置上。
这颗彗星的轨道还表明其来自奥... 阅读全帖 |
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s*****t
发帖数: 1994 | 22 新浪科技讯 北京时间9月27日消息，据国外媒体报道，全世界的天文学家正密切注意一
颗新发现彗星，即C/2012 S1 (ISON)。目前这颗彗星正运行于木星轨道之外，看上去还
只是一个微小的亮点。但是在未来一年内，它或许将成为整个夜空中最明亮的天体。
维塔利 纳瓦斯基(Vitali Nevski)和阿特罗姆 诺维克诺克(Artyom Novichonok)都是俄
罗斯国际科学光学监测网(ISON)的成员，他们于今年9月21日使用一台40厘米反射式望
远镜发现了这颗彗星，随后其他天文爱好者也很快发现了这一目标。在那之后位于美国
麻省剑桥的国际天文学联合会(IAU)小行星中心发布了有关这一彗星的通报。
结合目前已有的观测数据，天文学家们已经可以追踪到这颗彗星的运行轨迹并向后
反推，并在去年12月份拍摄的巡天图像中找到了它的身影。根据这些数据，天文学家们
计算得到其轨道参数：这颗彗星沿一个近似抛物线轨道运行，彗星几乎沿着这一轨道径
直冲向太阳。意大利拉马扎克天文台的天文学家认为在明年11月28日至29日期间，这颗
彗星将抵达距离太阳表面不足140万公里的位置上。
这颗彗星的轨道还表明其来自奥... 阅读全帖 |
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s*****t
发帖数: 1994 | 23 Comet McNaught has brightened as it approaches the Sun. Astronomers now are
considering it to be the brightest comet that has been seen from the Earth
in about thirty years. For people located in the northern hemisphere, the
night of January 12, 2007 is probably the best time to see it. Look at the
west sky immediately after the sun sets. |
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A********a
发帖数: 1168 | 24 新浪科技讯 大自然隐藏着许多美丽多彩的生命！目前，英国皇家生物学学会举办2017
年度摄影大赛，并公布出最新入围候选作品。图中是中国浙江公园拍摄到的两只大眼豆
娘，拍摄者是苗勇(音译)，据称她花了很长时间才拍摄到这一有趣的瞬间。
这张照片是摄影师马克·布劳威尔(Marc Brouwer)在荷兰海纳默伊登拍摄的，显示一只
体长1-2毫米长的微型昆虫，该昆虫叫做弹尾虫，经常生活在草地上。
图中是摄影师在印度孟买拍摄的林蛙蛋，长度仅4-5毫米。在该图像中，可在透明卵壳
中看到完全成熟的蛙卵。这些卵蛋非常小，很难在茂密的大森林中发现。摄影师阿努普
·德奥哈尔(Anup Deodhar)称，看到小林蛙在卵中移动是非常神奇的事情。
如图所示，这只好奇瞪着大眼睛的螃蟹是摄影师哈维尔·赫兰斯(Javier Herranz)在马
达加斯加岛西北海滩上发现的。据悉，这种可爱的小型螃蟹分布广泛，在夏威夷、大堡
礁和毛里求斯等海域均有发现。
这张图片是摄影师赫拉吉·南达(Dheeraj Nanda)在印尼安汶岛“美丽天堂”海域潜水
时拍摄到的，它显示科尔曼虾在火海胆刺之间寻找庇所，像蜘蛛一样，科尔曼虾的雌性
... 阅读全帖 |
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j*k
发帖数: 109 | 25 http://skytonight.com/observing/home/5118926.html
And I got this in mailing list from somepeople in Houston.
I knew, immediately, that this was the brightest comet I had ever seen in
the 23 years that I had been observing comets. No, it did not have the
overall splendid appearance of either Hyakutake or Hale-Bopp. But to see a
brightly condensed comet, complete with a one half degree narrow fan tail in
almost broad daylight, just 10 minutes after sunset, (5:48 pm CST), and at
an altitude of only |
|
|
s*****t
发帖数: 1994 | 27 More photos from last evening, also from the space weather pages: |
|
s*****t
发帖数: 1994 | 28 saw it. :)
so cold outside on the top of that parking garage,
but worth it. It is about as bright as Venus, and
has ssuch a long tail. |
|
s*****t
发帖数: 1994 | 29 Comet Over Krakow
Credit & Copyright: Andrzej Sawow
Explanation: Bright Comet McNaught (C/2006 P1) graced the twilight this week
, seen by many and often described with superlatives. Watching the skies
over Krakow, Poland, Andrzej Sawow recorded this view on Wednesday - with an
ordinary handheld digital camera. He notes that "... astronomy is really
for everyone who loves to look at the night sky. And fortunately (sometimes)
the sky generously rewards its observer". Now very close to the Sun, Co |
|
s*****t
发帖数: 1994 | 30 Southern Comet
Credit & Copyright: Noel Munford (Palmerston North Astronomical Society, New
Zealand)
Explanation: After a remarkable performance in the northern hemisphere, the
brightest comet in decades is now showing off in the south. Recorded during
evening twilight on January 17, this view features the bright coma and
gorgeous, sweeping tail of Comet McNaught (c/2006 P1) over Lake Horowhenua
in Levin, a small town on New Zealand's North Island. Astronomer Noel
Munford reports that the five s |
|
|
n******e
发帖数: 623 | 32 今早（1-31）先试看了一下，用了个估计相当于10x20的单筒镜。我这里纬度大约37.5N
。在星图上查到，如果看得到地平线的话，5:39金星升起，5:48木星，7:37日出。因为
学校后面山遮挡得很多，7:04才看到金星，这时天已经很亮了。7:13看到木星，比金星
暗很多，但是都算是很亮的，附近没有可与之相比的亮星，所以很容易看到。两颗星之
间距离大约有两个月亮多一点。月亮今天还很高，之后几天会靠近金木。7:20两颗星随
便扫一眼都很容易看到。7:25木星已经较暗了要注意看才找得到。7:30木星已经很难看
到，要很注意地盯上几秒钟才看得到。7:32肉眼看不到木星了，望远镜里还很容易看到
。直到7:41在望远镜里还是稍微注意一下就看得到木星。而金星直到这时还是肉眼很容
易看到。之后没看了，从亮度估计在望远镜里至少还有十几分钟两颗 星都看得到。
两颗星在10x望远镜里距离大约是视场直径的一半，所以很容易同时看到。
2-1，金木距离只有前一天的一半，大约一个月亮的直径多点。7:26之后木星开始较难
看到，7:33肉眼看不到木星。
这样看来，日出前几分钟就看不到木星了。去年的McNaught |
|
