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NASA-欢迎来到您的新家 @ NASAWebb。在1月24日,詹姆斯·韦伯太空望远镜大约1点到达了它的最终目的地
案例简介:欢迎来到您的新家 @ NASAWebb。在1月24日,詹姆斯·韦伯太空望远镜到达了距地球约100万英里或150万公里的最终目的地。在整个任务中,韦伯将在所谓的拉格朗日点2 (L2) 上运行,这是平衡地球和太阳引力的空间点。在L2处绕太阳与地球一致,使望远镜的仪器保持超冷,并允许它随时观察天空。在下午2点EST (19:00 UTC),地球上的团队命令Webb发射其机载推进器近五分钟,以完成最后的航向校正燃烧。这使航天器可以将自己停放在l2中。既然已经部署了Webb的主镜段和次镜,工程师将开始为期三个月的复杂过程,将望远镜的光学器件对准到几乎微观的精度,有些动作小到10纳米-只有人类头发宽度的万分之一。从现在到大约2022年6月,韦伯将校准其仪器并继续冷却,以便它可以 # UnfoldTheUniverse。你认为韦伯会发现什么?信用: 美国宇航局/克里斯·冈恩 # HomeOnLagrange # JWST # JamesWebbSpaceTelescope # 太空 # 宇宙 # 太阳能系统 # 航天器 # 美国宇航局
NASA-欢迎来到您的新家 @ NASAWebb。在1月24日,詹姆斯·韦伯太空望远镜大约1点到达了它的最终目的地
案例简介:💫 Welcome to your new home, @NASAWebb.On Jan. 24, the James Webb Space Telescope arrived at its final destination about 1 million miles, or 1.5 million kilometers, from Earth. For its entire mission, Webb will orbit at what’s called Lagrange point 2 (L2), a point in space that balances the gravitational pull of Earth and the Sun. Orbiting the Sun in line with Earth at L2 keeps the telescope's instruments super cold and allows it to observe the sky at any moment.At 2 p.m. EST (19:00 UTC), teams on Earth commanded Webb to fire its onboard thrusters for nearly five minutes to complete the final course correction burn. This allowed the spacecraft to park itself into L2.Now that Webb’s primary mirror segments and secondary mirrors have been deployed, engineers will begin the sophisticated three-month process of aligning the telescope’s optics to nearly microscopic precision, with some movements as small as 10 nanometers — only one-ten thousandth the width of a human hair. From now until about June 2022, Webb will calibrate its instruments and continue to cool down so it can #UnfoldTheUniverse. What do you think Webb will discover? Credit: NASA/Chris Gunn #HomeOnLagrange #JWST #JamesWebbSpaceTelescope #Space #Universe #Cosmos #SolarSystem #Spacecraft #NASA
NASA - 💫 Welcome to your new home, @NASAWebb.On Jan. 24, the James Webb Space Telescope arrived at its final destination about 1
案例简介:欢迎来到您的新家 @ NASAWebb。在1月24日,詹姆斯·韦伯太空望远镜到达了距地球约100万英里或150万公里的最终目的地。在整个任务中,韦伯将在所谓的拉格朗日点2 (L2) 上运行,这是平衡地球和太阳引力的空间点。在L2处绕太阳与地球一致,使望远镜的仪器保持超冷,并允许它随时观察天空。在下午2点EST (19:00 UTC),地球上的团队命令Webb发射其机载推进器近五分钟,以完成最后的航向校正燃烧。这使航天器可以将自己停放在l2中。既然已经部署了Webb的主镜段和次镜,工程师将开始为期三个月的复杂过程,将望远镜的光学器件对准到几乎微观的精度,有些动作小到10纳米-只有人类头发宽度的万分之一。从现在到大约2022年6月,韦伯将校准其仪器并继续冷却,以便它可以 # UnfoldTheUniverse。你认为韦伯会发现什么?信用: 美国宇航局/克里斯·冈恩 # HomeOnLagrange # JWST # JamesWebbSpaceTelescope # 太空 # 宇宙 # 太阳能系统 # 航天器 # 美国宇航局
NASA - 💫 Welcome to your new home, @NASAWebb.On Jan. 24, the James Webb Space Telescope arrived at its final destination about 1
案例简介:💫 Welcome to your new home, @NASAWebb.On Jan. 24, the James Webb Space Telescope arrived at its final destination about 1 million miles, or 1.5 million kilometers, from Earth. For its entire mission, Webb will orbit at what’s called Lagrange point 2 (L2), a point in space that balances the gravitational pull of Earth and the Sun. Orbiting the Sun in line with Earth at L2 keeps the telescope's instruments super cold and allows it to observe the sky at any moment.At 2 p.m. EST (19:00 UTC), teams on Earth commanded Webb to fire its onboard thrusters for nearly five minutes to complete the final course correction burn. This allowed the spacecraft to park itself into L2.Now that Webb’s primary mirror segments and secondary mirrors have been deployed, engineers will begin the sophisticated three-month process of aligning the telescope’s optics to nearly microscopic precision, with some movements as small as 10 nanometers — only one-ten thousandth the width of a human hair. From now until about June 2022, Webb will calibrate its instruments and continue to cool down so it can #UnfoldTheUniverse. What do you think Webb will discover? Credit: NASA/Chris Gunn #HomeOnLagrange #JWST #JamesWebbSpaceTelescope #Space #Universe #Cosmos #SolarSystem #Spacecraft #NASA
NASA-欢迎来到您的新家 @ NASAWebb。在1月24日,詹姆斯·韦伯太空望远镜大约1点到达了它的最终目的地
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NASA - 💫 Welcome to your new home, @NASAWebb.On Jan. 24, the James Webb Space Telescope arrived at its final destination about 1
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