Z**R
发帖数: 1233 | 1 October 23, 2008
The first orbit-raising manoeuvre of Chandrayaan-1 spacecraft was performed
at 09:00 hrs Indian Standard Time (IST) this morning (October 23, 2008) when
the spacecraft’s 440 Newton Liquid Engine was fired for about 18 minutes
by commanding the spacecraft from Spacecraft Control Centre (SCC) at ISRO
Telemetry, Tracking and Command Network (ISTRAC) at Peenya, Bangalore. With
this engine firing, Chandrayaan-1’s apogee has been raised to 37,900 km,
while its perigee has been raised |
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l****z
发帖数: 29846 | 2 The first private spacecraft aiming to dock with the international space
station blasted off from Florida and reached orbit early Tuesday with split-
second precision, but the biggest tests for the mission are still days ahead.
The predawn skies around Cape Canaveral filled with the bright glow and deep
rumble of Space Exploration Technologies Corp.'s Falcon 9 rocket lifting
off the pad, carrying an unmanned Dragon spacecraft on a highly anticipated
test flight scheduled to last about two weeks.... 阅读全帖 |
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M**********n
发帖数: 4964 | 3 【 以下文字转载自 ChinaNews 讨论区 】
发信人: bigbird (David), 信区: ChinaNews
标 题: Dragon =!=> 龙, 谈“Dragon spacecraft”的翻译
关键字: 龙， Dragon spacecraft
发信站: BBS 未名空间站 (Sat Jun 2 01:54:11 2012, 美东)
Dragon =!=> 龙
每次看到有人把“龙”翻译成“Dragon”，或者是把“Dragon”翻译成 “龙”，都觉
得很郁闷和气氛。这完全是两码事吗。
dragon
a mythical animal usually represented as a monstrous winged and scaly
serpent or saurian with a crested head and enormous claws (merriam-webster).
龙
龙者鳞虫之长。王符言其形有九似∶头似牛，角似鹿，眼似虾，耳似象，项似蛇，腹似
蛇，鳞似鱼，爪似凤，掌似虎，是也。其背有八十一鳞，具九九阳数。其声如戛铜盘。
口旁有须髯，颔下有明... 阅读全帖 |
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Z**R
发帖数: 1233 | 5 http://space.newscientist.com/article/dn13051-nasa-spacecraft-to-study-moons-lumpy-interior.html
* 19:11 13 December 2007
* NewScientist.com news service
* David Shiga
A newly announced NASA mission will examine the Moon's interior with more
than 100 times the sensitivity of previous missions. The spacecraft, due to
launch in 2011, will do this by measuring irregularities in the Moon's
gravity field.
The Moon is under a lot of scrutiny lately, with four missions expected to
be in lun |
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Z**R
发帖数: 1233 | 6 【 以下文字转载自 Military 讨论区 】
发信人: ZZGR (闲逛), 信区: Military
标 题: 旧文赏析：India Plans to Send Spacecraft to Moon
发信站: BBS 未名空间站 (Thu Oct 16 14:09:15 2008)
By Daniel Sorid
Staff Writer
posted: 04:00 pm ET
29 June 2000
ET
The Indian space program has announced plans to launch an un-piloted
spacecraft to the moon in 2005.
The mission, said Rajeev Lochan, a space counselor at the Indian Embassy in
Washington, will be submitted to the country's space council, which oversees
the space program, in the coming mo |
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b*****d
发帖数: 95 | 8 Dragon =!=> 龙
每次看到有人把“龙”翻译成“Dragon”，或者是把“Dragon”翻译成 “龙”，都觉
得很郁闷和气氛。这完全是两码事吗。
dragon
a mythical animal usually represented as a monstrous winged and scaly
serpent or saurian with a crested head and enormous claws (merriam-webster).
龙
龙者鳞虫之长。王符言其形有九似∶头似牛，角似鹿，眼似虾，耳似象，项似蛇，腹似
蛇，鳞似鱼，爪似凤，掌似虎，是也。其背有八十一鳞，具九九阳数。其声如戛铜盘。
口旁有须髯，颔下有明珠，喉下有逆鳞。头上有博山，又名尺木，龙无尺木不能升天。
呵气成云，既能变水，又能变火。(尔雅: 中国最早的词典)
其他的和龙有关的词汇还有很多，其中有：有翅膀的叫应龙（辞源）。但他们都不等同
于龙。
这两个词“Dragon”和“龙”八竿子打不着的。
西方人常将“龙”翻译成“Dragon”，而不是更接近其本意的“Seraphim”。我们可能
不能控制。其实... 阅读全帖 |
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b*****d
发帖数: 95 | 10 Dragon =!=> 龙
每次看到有人把“龙”翻译成“Dragon”，或者是把“Dragon”翻译成 “龙”，都觉
得很郁闷和气氛。这完全是两码事吗。
dragon
a mythical animal usually represented as a monstrous winged and scaly
serpent or saurian with a crested head and enormous claws (merriam-webster).
龙
龙者鳞虫之长。王符言其形有九似∶头似牛，角似鹿，眼似虾，耳似象，项似蛇，腹似
蛇，鳞似鱼，爪似凤，掌似虎，是也。其背有八十一鳞，具九九阳数。其声如戛铜盘。
口旁有须髯，颔下有明珠，喉下有逆鳞。头上有博山，又名尺木，龙无尺木不能升天。
呵气成云，既能变水，又能变火。(尔雅: 中国最早的词典)
其他的和龙有关的词汇还有很多，其中有：有翅膀的叫应龙（辞源）。但他们都不等同
于龙。
这两个词“Dragon”和“龙”八竿子打不着的。
西方人常将“龙”翻译成“Dragon”，而不是更接近其本意的“Seraphim”。我们可能
不能控制。其实... 阅读全帖 |
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Z**R
发帖数: 1233 | 11 Despite Glitch, European Spacecraft's Asteroid Flyby a Success
By Peter B. de Selding
Space News Staff Writer
posted: 6 September 2008
9:31 am ET
PARIS - Europe's Rosetta comet-chaser satellite successfully detoured to
take a look at a rare type of asteroid Friday, getting a close-up view of
the diamond-shaped Steins asteroid, a gray, 3-mile (5-km) wide rock that
appears in images as a pock-marked with multiple craters that ultimately
will help determine its age.
The European Space Agency (ESA) |
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Z**R
发帖数: 1233 | 12 NASA's new planet-hunting Kepler telescope launched into space late Friday,
lighting up the night sky above Florida as it began an ambitious mission to
seek out Earth-like planets around alien stars.
Kepler blasted off atop a Delta 2 rocket from the Cape Canaveral Air Force
Station in Florida at 10:49 p.m. EST (0349 March 7 GMT). The $600 million
spacecraft will gaze at a single region of our Milky Way galaxy for at least
three years in a planetary census that, scientists say, could fundamentall |
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r********o
发帖数: 1423 | 13 I am in aerospace propulsion system. Spacecraft propulsion is tough to get
in, in the meanwhile, the funding for this area is shorter and shorter. |
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b*****9
发帖数: 8922 | 14 ☆─────────────────────────────────────☆
swordsman (笑傲江湖) 于 (Fri Oct 14 21:30:32 2011, 美东) 提到:
来美国1-2年的学生最喜欢写这些帖子了，因为生活正处在拧巴的境地里。
为什么这么说？因为，学生根本就不知道美国生活水平是啥样，那点奖学金在美国是真
正的贫困人口，而且还是赤贫，因为连点积累都没有。穷是一方面，另一方面是刚到美
国一两年，生活圈子也很窄，根本不知道美国人的日子都是怎么过的。而且，1-2年的
时候正是自以为已经知道美国生活是啥样的时候，所以基本上是人在美国，然后拿国内
的生活方式往美国身上套，想要在美国过国内那样的生活，这就是拧巴的地方。
对于这样的小朋友，俺只能说，好好念书，然后毕业找像样的工作吧。至于中美比较，
两国的生活方式有根本的不同，而且也根本不在一个发展层次上，根本就没啥可比性..
...
☆─────────────────────────────────────☆
zmimy (咪咪) 于 (Fri Oct 14 21:31:34 2011, 美东) 提... 阅读全帖 |
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f******o
发帖数: 2469 | 15 中国怕啥 是美国怕好不好
The Silly Reason the Chinese Aren't Allowed on the Space Station
Welcome home: Nie Haisheng is helped out of his Shenzhou 10 spacecraft
after a 15-day mission in 2013.
Welcome home: Nie Haisheng is helped out of his Shenzhou 10 spacecraft after
a 15-day mission in 2013. AFP/Getty Images
BY JEFFREY KLUGER
MAY 29, 2015
IDEAS
Kluger is Editor at Large for TIME.
Geopolitics can be child’s play—literally. How else would you describe the
did-not! did-too! brawl that can result when one co... 阅读全帖 |
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f********2
发帖数: 368 | 16 在2005年5月，美国宇航局宣布航海家一號已經在2004年12月，在距離太陽94天文單位
的地方越過終端震波進入日鞘中
2010年12月，旅行者1号已经感受不到太阳风了。
33年的太阳风和行星引力加速，旅行者1号目前是还在工作的速度最快的人造飞行器。
December 13, 2010
PASADENA, Calif. – The 33-year odyssey of NASA's Voyager 1 spacecraft has
reached a distant point at the edge of our solar system where there is no
outward motion of solar wind.
Now hurtling toward interstellar space some 17.4 billion kilometers (10.8
billion miles) from the sun, Voyager 1 has crossed into an area where the
velocity of the hot ionized ga... 阅读全帖 |
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t*n
发帖数: 14458 | 17 会不会把三体人招来
在2005年5月，美国宇航局宣布航海家一號已經在2004年12月，在距離太陽94天文單位
的地方越過終端震波進入日鞘中
2010年12月，旅行者1号已经感受不到太阳风了。
33年的太阳风和行星引力加速，旅行者1号目前是还在工作的速度最快的人造飞行器。
December 13, 2010
PASADENA, Calif. – The 33-year odyssey of NASA's Voyager 1 spacecraft has
reached a distant point at the edge of our solar system where there is no
outward motion of solar wind.
Now hurtling toward interstellar space some 17.4 billion kilometers (10.8
billion miles) from the sun, Voyager 1 has crossed into an area where the
velocity of the hot... 阅读全帖 |
|
发帖数: 1 | 18 An asteroid could destroy humanity like it did dinosaurs. A Hopkins team has
a plan to save the world.
Andy Cheng, chief scientist at the Johns Hopkins Applied Physics Laboratory
in Laurel, is co-lead investigator on the Double Asteroid Redirection Test
mission, NASA's first test of a defense mission to deflect an asteroidt by
smashing a spacecraft into it. (Kim Hariston/Baltimore Sun)
By Tim Prudente February 4 at 6:53 PM
A team of scientists, astronomers and engineers meets weekly in a confere... 阅读全帖 |
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k*******l
发帖数: 698 | 19 美帝的出口限制就是一份明确的中国需要攻克技术路线图
高景1卫星发射成功后，美国立即放松同类卫星的出口控制，后天生效
送交者: 古宇庙 2017年01月13日14:37:21 于 [世界军事论坛] 发送悄悄话
Federal government tweaks space export control rules
by Jeff Foust — January 12, 2017
Harris SpaceViewThe change in aperture limits will move some larger imaging
systems off of the U.S. Munitions List, and therefore will no longer be
subject to ITAR. Credit: Harris
WASHINGTON — The federal government is taking more space-related items off
of the most restrictive export control list, although s... 阅读全帖 |
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发帖数: 1 | 20 [99] APOLLO. In July 1960 NASA was preparing to implement its long-range
plan beyond Project Mercury and to introduce a manned circumlunar mission
project-then unnamed-at the NASA/Industry Program Plans Conference in
Washington. Abe Silverstein, Director of Space Flight Development, proposed
the name "Apollo" because it was the name of a god in ancient Greek
mythology with attractive connotations and the precedent for naming manned
spaceflight projects for mythological gods and heroes had been s... 阅读全帖 |
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c*****r
发帖数: 529 | 21 http://truthcdm.com/this-could-be-the-end-for-big-oil/
This Could be the End for Big Oil
stunning breakthrough in chemical engineering has unleashed a massive supply
of fuel…
Enough fuel, in fact, to power the entire globe for over 36,000 years.
It’s poised to decimate Big Oil’s obscene profits, make OPEC obsolete, and
hand the United States 100% energy independence.
In fact, the U.S. Department of Defense just invested $7 billion in a single
day…
Apple, Google, and Facebook are spending billion... 阅读全帖 |
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d**********i
发帖数: 4877 | 22 三哥
评“神十”之印度网友——不就是俄国技术我们也能买到！
1984年4月2日，印度宇航员Rakesh Sharma搭乘苏联“联盟号”飞船进入太空
Chinalover (Mumbai)I think they should not use 'Made in China' items in
their spacecraft in future.Agree (1)Disagree (7)Recommend (0)
我认为他们以后不应该在飞船上使用“中国产”的零件。
Blue Cockroach (Delhi)India - Mig 21 blasts with pilot , Kya aise hee
compete karoge china se. Jaago bharat sarkar jaago kyonki tumare Bharat
Nirmaan pe Shakk hai mera.Agree (3)Disagree (1)Recommend (0)
印度呢？米格21战机载着飞行员爆炸............
DonKAUN (India)Only Chinese can a... 阅读全帖 |
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b*******y
发帖数: 4304 | 23 How Do We Know When Voyager Reaches Interstellar Space?
Sept 12, 2013
Artist's concept of Voyager's distances
You Are Here, Voyager: This artist's concept puts huge solar system
distances in perspective. The scale bar is measured in astronomical units (
AU), with each set distance beyond 1 AU representing 10 times the previous
distance. Each AU is equal to the distance from the sun to the Earth. It
took from 1977 to 2013 for Voyager 1 to reach the edge of interstellar space.
Image Credit: NASA/J... 阅读全帖 |
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g**1
发帖数: 10330 | 24 India's Mars mission enters second stage; outpaces space rival China
BY SHYAMANTHA ASOKAN
NEW DELHI Sun Dec 1, 2013 1:29am EST
http://www.reuters.com/article/2013/12/01/us-india-mars-idUSBRE
(Reuters) - India's first mission to Mars left Earth's orbit early on Sunday
, clearing a critical hurdle in its journey to the red planet and overtaking
the efforts in space of rival Asian giant China.
The success of the spacecraft, scheduled to orbit Mars by next September,
would carry India into a small c... 阅读全帖 |
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W***n
发帖数: 11530 | 25 Propulsion Engineer - Pittsburgh, PA
Minimum Required Skills: BS/MS Engineering/Aerospace or related, Space
mission experience, Spacecraft propulsion systems, MMH and MON-23 propulsion
system, Fluid dynamics for propulsion systems, Thermal analysis for
propulsion systems, Solidworks, ANSYS If you are a Propulsion Engineer with
experience, please read on! What You Will Be Doing -Design and development
of lunar lander propulsion system -Design and evaluate performance of ACS,
feed system component... 阅读全帖 |
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y*********u
发帖数: 14561 | 26 ☆─────────────────────────────────────☆
foreversweet (永远甜) 于 (Fri May 23 23:35:53 2014, 美东) 提到:
更新几句：
昨晚本来不想回帖了，想帖子沉了就算了。没想到今天还被几个没逻辑可言的认缠着说
，还诬蔑我卖PRIME。
卖PRIME的是像这样，比如下面这位（严正声明，我不是此ID的马甲）：
卖RPIME挣referral没关系，用短链接不公开，是不对的。
我的point就是以后要靠referral赚点小钱，很正常，事先声明一声就好了。如果是为
了shelter（请定期公开账目），那更应该广而告之，大家都很愿意帮忙。
原帖：
在pets潜水N年了，一直特别喜欢看大家的猫猫狗狗兔子。因为家里有人过敏自己养不
了，所以总到版上来过眼瘾。
最近特意注册了帐号，因为有件事情实在觉得有必要让大家都知道。我一不攻击人，而
不攻击宠物，就事论事。
zsquare在版上各个帖子里向大家推荐很多东西，包括sprouter，吸尘器，等等，都是
amazon的referral link，如果用这些链接买了东西，发... 阅读全帖 |
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c**i
发帖数: 6973 | 27 Cosco | Can Pay, Won’t; A big Chinese shipping firm takes shareholder value
to extremes. Economist,
Aug 27, 2011
http://www.economist.com/node/21526929
(Cosco "signed numerous long-term contracts a couple of years ago, when
rates were around $50,000 a day for a 'Capesize' vessel, four to five times
their current levels" in price)
Note:
(a) capesize
http://en.wikipedia.org/wiki/Capesize
(b) Neena Rai, Chinese Shipping Row Creates Wake: Cosco slammed on charges
it halted payments for charters; Moo... 阅读全帖 |
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c**i
发帖数: 6973 | 28 I am a biologist by training. But it appears you are as ignorant about
rockets as I.
(1) Tiangong 1 weighs merely 8.5 metric tons (hereafter tonnes). Besides
Tiangong 1 on Sept 29, 2011 Long March 2F also launched Shenzhou 5 (in 2003)
, 6 and 7, all into low Earth orbit (LEO), which is defined as "from the
Earth’s surface up to an altitude of 2,000 km."
http://en.wikipedia.org/wiki/Low_Earth_orbit
In comparison:
Geostationary transfer orbit
http://en.wikipedia.org/wiki/Geostationary_transfer_orb... 阅读全帖 |
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T**********e
发帖数: 29576 | 29 In a Breathtaking First, NASA Craft Exits the Solar System
Since the launch of the Voyager spacecraft in 1977, Voyager 1 has traveled
over 11.7 billion miles from the launchpad pictured here. That is equivalent
to traveling to the moon and back almost 25,000 times.
PASADENA, Calif. — The spacecraft’s technology was laughable by today’s
standards: it carried an 8-track tape recorder and computers with 240,000
times less memory than a low-end iPhone. When it left Earth 36 years ago, it
was designe... 阅读全帖 |
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T**********e
发帖数: 29576 | 30 SpaceX Dragon Successfully Docked With The Space Station
At 10:06am Eastern time, the SpaceX Dragon successfully berthed with the
International Space Station, marking the fourth time that one of the company
’s Dragon spacecraft has made the trip successfully.
The spacecraft made a series of several engine burns in the wee hours of the
morning to make its approach. At around 7:14am EST, the space station’s
robotic arm grappled onto the Dragon and brought it close to the station’s
Harmony module. ... 阅读全帖 |
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W***n
发帖数: 11530 | 31 A close-up with a comet
by Staff Writers
Chicago IL (SPX) Nov 12, 2014
On Nov. 12 a robotic lander called Philae is scheduled to touch down on a
comet, following a journey of 10 years and more than 3.7 billion miles. The
mission aims to provide insights into how the solar system evolved, and
whether comet impacts helped form Earth's oceans and brought chemical
precursors of life. (Image courtesy of European Space Agency).
Even as Tom Economou approached retirement age in 1994, he began planning ... 阅读全帖 |
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s*****V
发帖数: 21731 | 32 美帝航天飞机退役以后要依靠俄国人的载人飞船的历史将一去不复返了。 当年这个项
目跟星座一起被O8 KILL了，现在终于还魂了。
The two-orbit, four and a half hour Orion EFT-1 flight around Earth will
lift the Orion spacecraft and its attached second stage to an orbital
altitude of 3,600 miles, about 15 times higher than the International Space
Station (ISS) – and farther than any human spacecraft has journeyed in 40
years.
2万英里每小时，8.9公里每秒的再入速度，看来这玩意是用来登月或者登火星的。
Then the spacecraft will carry out a high speed re-entry through the
atmosphere at speeds approac... 阅读全帖 |
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d*********o
发帖数: 6388 | 33 http://www.dailymail.co.uk/sciencetech/article-2982537/Indian-M
This spectacular image reveals Phobos, one of the two moons orbiting Mars (
the other is Deimos), silhouetted against the Martian surface (shown).
Although Phobos is the larger of the two moons, it is still only about 14
miles (22km) across, and completes an orbit of Mars once every seven Earth
hours. The odd colour of Mars is due to the specific filters used by the
camera
This image, showing the limb of Mars against the void of spa... 阅读全帖 |
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d*********o
发帖数: 6388 | 34 http://www.dailymail.co.uk/sciencetech/article-2982537/Indian-M
This spectacular image reveals Phobos, one of the two moons orbiting Mars (
the other is Deimos), silhouetted against the Martian surface (shown).
Although Phobos is the larger of the two moons, it is still only about 14
miles (22km) across, and completes an orbit of Mars once every seven Earth
hours. The odd colour of Mars is due to the specific filters used by the
camera
This image, showing the limb of Mars against the void of spa... 阅读全帖 |
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x*******6
发帖数: 994 | 35 Investigation into Zuma failure reportedly lays blame on Northrop Grumman
April 9, 2018 Stephen Clark SpaceX’s Falcon 9 rocket lifted off Jan. 7 from
Cape Canaveral with the Zuma mission. Credit: SpaceX Government
investigators have exonerated SpaceX’s Falcon 9 rocket in the loss of a top
secret space mission known as Zuma in January, blaming a malfunction in a
component modified by Northrop Grumman that connected the launcher with its
classified payload, according to the Wall Street Journal. Ci... 阅读全帖 |
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发帖数: 1 | 36 卫星搭载俄国和德国的X射线望远镜，用来探测大质量黑洞和星系团的高能辐射。
MOSCOW (AP) — A Russian Proton-M rocket successfully delivered a cutting-
edge space telescope into orbit Saturday after days of launch delays, Russia
’s space agency said.
Roscosmos said the telescope, named Spektr-RG, was delivered into a parking
orbit before a final burn Saturday that kicked the spacecraft out of Earth’
s orbit and on to its final destination: the L2 Lagrange point.
Lagrange points are unique positions in the solar system where objects can... 阅读全帖 |
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O*******d
发帖数: 20343 | 37 美国的火星探测器，用了两套软件，一套用英制，一套用公制，两套之际的数据交换没
有转换，直接使用。导致降落高度错误，直接在火星大气层中烧毁。
The Mars Climate Orbiter (formerly the Mars Surveyor '98 Orbiter) was a 338
kilogram (750 lb) robotic space probe launched by NASA on December 11, 1998
to study the Martian climate, atmosphere, surface changes and to act as the
communications relay in the Mars Surveyor '98 program, for Mars Polar Lander
. However, on September 23, 1999, communication with the spacecraft was lost
as the spacecraft went into orbital insertion, d... 阅读全帖 |
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x*****r
发帖数: 320 | 38 wiki:
The Atlas V rocket on the launchpad (left) and lift off from Cape Canaveral.
New Horizons ' launch was the fastest ever to date, at
16.26 km/s.
New Horizons is often given the title of Fastest Spacecraft Ever Launched,
and left Earth faster than any other spacecraft to date. It is also the
first spacecraft launched directly into a solar escape trajectory, which
requires an approximate speed of 16.5 km/s (59,000 km/h; 37,000 mph), plus
aerodynamic and gravity losses, all... 阅读全帖 |
|
H****y
发帖数: 2992 | 39 用激光：
http://www.popsci.com/lasers-could-send-spaceship-to-star
Breakthroughs in laser technology suggest they can now accelerate spacecraft
to relativistic speeds.
The advance that Lubin's approach depends on involves laser arrays. Instead
of building one extremely powerful laser — a technologically challenging
feat — researchers now can build phased arrays that are made of a large
number of relatively modest laser amplifiers that can sync up to act like a
single powerful laser. This strategy al... 阅读全帖 |
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c****t
发帖数: 19049 | 40 2011 is shaping up to an amazing year for Speculative Fiction at large not
just Fantasy although that is looking damn good all by itself. My Sci-Fi
list last year was only 7 books long, which grew a little with the year, but
it was so short I combined it with UR and Steampunk picks. This year Sci-Fi
warrants a post all its own with loads of debuts and returning stars. The
people claiming Sci-fi is dying or already dead should shear the wool off
their eyes and see what is brewing.
Science Fictio... 阅读全帖 |
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s******o
发帖数: 298 | 41 By Brian Berger
Space News Staff Writer
posted: 12:23 pm ET
28 June 2002
WASHINGTON — The discovery of dust on the solar array panels of the Comet
Nucleus Tour spacecraft Thursday prompted officials to halt preparations for
the planned July 1 launch of the comet-bound NASA vehicle.
The launch has been postponed to no earlier than July 3 while the mission
team investigates what is on the solar array and how it got there.
The spacecraft, called CONTOUR for short, is an eight-sided spacecraft built |
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Z**R
发帖数: 1233 | 42 Mission Sequence
#
Chandrayaan-1 spacecraft would be launched from the Satish Dhawan Space
Centre, SHAR, Sriharikota by PSLV-XL (PSLV-C11) in an highly elliptical
initial orbit (IO) with perigee (nearest point to the Earth) of about 257 km
and an apogee (farthest point from the Earth) of about 22,858 km.
#
After a few revolutions in the initial orbit, the spacecraft's Liquid
Apogee Motor (LAM) firing would be done, when the spacecraft is near perigee
, to raise the apogees to 37,421 |
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Z**R
发帖数: 1233 | 43 October 26, 2008
Chandrayaan-1 spacecraft has entered deep space after crossing the 150,000
km (one and a half lakh km) distance mark from the Earth. This happened
after the successful completion of the spacecraft’s third orbit raising
manoeuvre today (October 26, 2008) morning.
During this manoeuvre which was initiated at 07:08 IST, the spacecraft’s
440 Newton liquid engine was fired for about nine and a half minutes. With
this, Chandrayaan-1 entered a much higher elliptical orbit around the |
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Z**R
发帖数: 1233 | 44 【 以下文字转载自 Military 讨论区 】
发信人: yizishi (废话要多说), 信区: Military
标 题: Chandrayaan-1 Successfully Enters Lunar Orbit
发信站: BBS 未名空间站 (Sat Nov 8 09:00:51 2008)
Chandrayaan-1, India’s first unmanned spacecraft mission to moon, entered
lunar
orbit today (November 8, 2008). This is the first time that an Indian built
spacecraft has broken away from the Earth’s gravitational field and reached
the
moon. This historic event occurred following the firing of Chandrayaan-1
spacecraft’s liquid engine at 16:51 I |
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s******o
发帖数: 298 | 45 By Brian Berger
Space News Staff Writer
posted: 12:23 pm ET
28 June 2002
WASHINGTON — The discovery of dust on the solar array panels of the Comet
Nucleus Tour spacecraft Thursday prompted officials to halt preparations for
the planned July 1 launch of the comet-bound NASA vehicle.
The launch has been postponed to no earlier than July 3 while the mission
team investigates what is on the solar array and how it got there.
The spacecraft, called CONTOUR for short, is an eight-sided spacecraft built |
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z****6
发帖数: 10776 | 46 http://www.google.com/hostednews/ap/article/ALeqM5g-SJLFf9I8xLsUL17LPPN1dVC9lQD9FHJ0980
NASA working on Voyager 2 data problem
By JOHN ANTCZAK (AP) – May 6, 2010
LOS ANGELES — Engineers are working to solve a problem with science data
transmissions from the Voyager 2 spacecraft near the edge of the solar
system, NASA's Jet Propulsion Laboratory said Thursday.
The spacecraft late last month began sending science data 8.6 billion miles
to Earth in a changed format that mission managers could not d |
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c**i
发帖数: 6973 | 48 Press release: U.S. Air Force and Lockheed Martin Deliver First-Of-Its-Kind
Missile Warning Spacecraft; SBIRS GEO-1 to Be Processed for May 2011 Launch.
Lockheed Martin, Mar 7, 2011.
http://www.lockheedmartin.com/news
/press_releases/2011/0302_ss_sbirs.html
("the first geosynchronous (GEO-1) Space Based Infrared System (SBIRS)
spacecraft")
My comment: Chinese in PRC--but not Taiwanese--have a phrase 傳說中的, whose
English counterpart is proverbial (or fabled). Is this satellite IT? |
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y***l
发帖数: 1371 | 49 看看NASA那几年花了多少钱搞Apollo计划吧. 没人说登月是个容易的事, 但是美国就这
么神奇, 只要肯花钱, 就能做出来. 所以现在好容易杀了本拉登, 希望O8能开始减少国
防预算, 多投点钱进NASA, 这样一来, 人类也能早几年登上火星.
Cost of project Apollo
NASA's budget peaked in 1966, during the Apollo program
As this chart shows, NASA's budget peaked in 1966, during the height of
construction efforts leading up to the first moon landing under Project
Apollo. At its peak, the Apollo program involved more than 34,000 NASA
employees and 375,000 employees of industrial and university contractors.
Roughly... 阅读全帖 |
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H********o
发帖数: 3625 | 50 wiki来的：
万米岁入的4%都花这上面来了。自人类有文字记载的历史以来 ，还有别的东西这么烧
钱么?
Cost of project Apollo
As this chart shows, NASA's budget peaked in 1966, during the height of
construction efforts leading up to the first moon landing under Project
Apollo. At its peak, the Apollo program involved more than 34,000 NASA
employees and 375,000 employees of industrial and university contractors.
Roughly two to four cents out of every U.S. tax dollar (or 4% of the total
federal budget) was being devoted to the space program.
In Ma... 阅读全帖 |
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