| 词条 | Luna E-6 No.6 |
| 释义 |
| name = Luna E-6 No.6 | image = | image_caption = | mission_type = Lunar lander | operator = | mission_duration = Failed to orbit | spacecraft_type = E-6 | manufacturer = OKB-1 | dry_mass = | launch_mass = {{convert|1422|kg}} | power = | launch_date = {{start-date|21 March 1964, 08:15:35|timezone=yes}} UTC | launch_rocket = Molniya-M 8K78M {{nowrap|s/n T15000-20}} | launch_site = Baikonur 1/5 }} Luna E-6 No.6, sometimes identified by NASA as Luna 1964A,[1] was a Soviet spacecraft which was lost in a launch failure in 1964. It was a {{convert|1422|kg|adj=on}} Luna E-6 spacecraft,[2] the fourth of twelve to be launched,[3] It was intended to be the first spacecraft to perform a soft landing on the Moon, a goal which would eventually be accomplished by the final E-6 spacecraft, Luna 9. Luna E-6 No.6 was launched at 08:15:35 UTC on 21 March 1964, atop a Molniya-M 8K78M carrier rocket,[3] flying from Site 1/5 at the Baikonur Cosmodrome.[4] A connecting rod in the Blok I stage broke, leading to a propellant valve failing to open completely. The stage developed insufficient thrust to reach orbit and it shut down at T+489 seconds. The upper stages and probe reentered the atmosphere and broke up.[5] Prior to the release of information about its mission, NASA correctly identified that it had been an attempt to land a spacecraft on the Moon.[1] References1. ^1 {{cite web |url=http://nssdc.gsfc.nasa.gov/planetary/tent_launch.html |title=Tentatively Identified Missions and Launch Failures |publisher=NASA NSSDC|first=David R.|last=Williams|accessdate=30 July 2010|date=6 January 2005}} 2. ^{{cite web|url=http://www.astronautix.com/craft/lunae6.htm|title=Luna E-6|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=26 July 2010}} 3. ^1 {{cite web|url=http://space.skyrocket.de/doc_sdat/luna_e6.htm|title=Luna E-6|last=Krebs|first=Gunter|publisher=Gunter's Space Page|accessdate=26 July 2010}} 4. ^{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=26 July 2010}} 5. ^{{cite web|url=http://www.astronautix.com/lvs/soyuz.htm |title=Soyuz |last=Wade |first=Mark |publisher=Encyclopedia Astronautica |accessdate=26 July 2010 |deadurl=yes |archiveurl=https://www.webcitation.org/5mqiUXlX2?url=http://www.astronautix.com/lvs/soyuz.htm |archivedate=17 January 2010 |df= }} External links{{Portal|Spaceflight}}
3 : Luna program|Spacecraft launched in 1964|Spacecraft launched by Molniya-M rockets |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。