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美版知乎:如果对各国宇航局进行排位,印度ISRO能排第几名

If space agencies are ranked, where will ISRO stand?

如果对各国宇航局进行排位,印度的ISRO能排在第几位?

 Quora读者的评论:

Ayush Jain, Space Fanatic, Daydreamer

I am going to answer your question based on various parameters. First of all we do not have any experience in the department of manned spacecrafts and believe me, its a big deal.

First of all lets take into account the launch vehicle of various space agencies as it is the basic need to launch anything into space . Lets rank them based on the criteria of payload to LEO ( Low Earth Orbit) :

我会基于各种参数来回答你的问题。首先,我们没有任何载人航天的经验,相信我,这一点非常重要。

首先,我们对比一下各国航天局的运载火箭,因为火箭是把任何东西发射到太空的基本需要。我们来根据近地轨道有效载荷的标准对它们进行一下排序:

  1. NASA :

( I am also taking into account Spacex because its a american company which works mainly for the US govt. and has also received huge funds from them )

The Delta family :

Owned by the United Launch Alliance , delta rocket family has been in service since 1960 and has over 300 launches under its belt.

The two active systems are :

The Delta II and the Delta IV

译文来源:三泰虎   https://www.santaihu.com/47174.html  译者:Joyceliu

  1. 美国国家航空航天局(NASA):

(我把Spacex也一起进行了比较,因为这是一家美国公司,主要为美国政府服务,也从美国政府那里获得了巨额资金)

德尔塔家族:

德尔塔火箭家族隶属于联合发射联盟,自1960年以来一直在服役,已经发射了300多次。

两个比较常见的系统分别是:

德尔塔II和德尔塔IV

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Payload Capacities (LEO) :

Delta II : 2700 - 6100 Kgs

Delta IV: 9420-20,790 Kgs

到达近地球轨道的有效载荷:

德尔塔II: 2700 - 6100公斤

德尔塔IV: 9420-20,790公斤

Next is the Atlas family of rockets:

It too is operate by the ULA. It has close to 500 launches under its belt and the Atlas V launch vehicle is still in use .This is the rocket which launched the soon to arrive at Pluto the New Horizons probe back in 2005.

下一个是阿特拉斯系列火箭:

它也是由联合发射联盟运作的。迄今已完成了近500次发射任务,“阿特拉斯5号”运载火箭现在仍在运行。这个火箭在2005年发射了不久将抵达冥王星的“新地平线号”探测器。

9d9e0d8fgy1g0ymevt7taj204x07wdga.jpg
 

Payload Capacity (LEO) : 9800- 18,810 Kgs

Now we have the spacex launch vehicle the falcon 9 v1.1 which is fairly new but is being used to launch the Cargo Resupply Vehicle i.e. Dragon to the ISS.

到达近地球轨道的有效载荷: 9800- 18,810公斤

现在我们来看看spacex的运载火箭猎鹰9号v1.1,这是一个相当新的运载火箭,它被用来将货物补给火箭,比如“龙”号飞船发射到国际空间站。

9d9e0d8fgy1g0ymf0bnnjj20f90h8gvb.jpg
 

Payload Capacity ( LEO) : 13,150 Kgs

Spacex also has a heavier version of the Falcon 9 under development christened as Falcon heavy which is expected to have a payload capacity (LEO) 53,000Kgs.

到达近地球轨道的有效载荷: 13,150公斤

Spacex公司还在研发猎鹰9号的重型版本,命名为猎鹰重型,预计有效载荷将达到53,000公斤。

ANTARES:

心宿二火箭:

9d9e0d8fgy1g0ymeve96oj206y0893ze.jpg
 

Antares is an expendable launch system developed by Orbital Sciences Corporation (now Orbital ATK) to launch the Cygnus spacecraft to the International Space Station as part of NASA's COTS and CRS programs.

Payload Capacity(LEO): 6100 Kgs.

心宿二火箭是轨道科学公司(现在的轨道ATK)开发的一次性发射系统,作为美国宇航局COTS和CRS计划的一部分,将天鹅座太空船发射到国际空间站。

到达近地球轨道的有效载荷: 6100公斤。

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