这张照片是在周三（4月20日）公布的，目的是为这个轨道天文台即将到来的21岁生日庆生。
The photo was released Wednesday (April 20) to mark the orbiting observatory's upcoming 21st birthday.
计划于1986年送入轨道的空间望远镜将是第一个大口径、长寿命、多功能的轨道天文台。
The Space Telescope observatory to be launched into orbit in 1986 will be the first, long-lived, versatile orbiting observatory.
随着开普勒轨道天文台的继续扫描，数据与分析(例如Traub文件)将会继续变得更加准确。
As Kepler continues to scan, data - and analyses such as Traub's paper - will continue to become more accurate.
43分钟电影记录了哈勃20年历史，包括从2009年维修任务到绕地轨道天文台的热点和宇航员拍的镜头。
The 43-minute movie chronicles the 20-year life of Hubble and includes highlights from the May 2009 servicing mission to the Earth-orbiting observatory, with footage taken by the astronauts.
这项分析暗示，或许有比从前预想的更多的潜在“地球”在进行着轨道运动，这一原则将会拓展到还没被开普勒轨道天文台扫描到的地区。
Traub's analysis hints that there may be even more potential 'Earths' orbiting them than previously thought - and that this' principle 'would extend to stars not yet scanned by Kepler.
这项分析暗示，或许有比从前预想的更多的潜在q“地球”在进行着轨道运动，这一原则将会拓展到还没被开普勒轨道天文台扫描到的地区。
Traub's analysis hints that there may be even more potential 'Earths' orbiting them than previously thought - and that this' principle 'would extend to stars not yet scanned by Kepler.
数据来源于NASA的钱德拉X射线轨道天文台，该天文台在2000年至2009年偶然观测了Cassipeiaa (Cas a)这颗距离地球11000光年的中子星。
The data come from NASA's orbiting Chandra X-ray Observatory, which between 2000 and 2009 took occasional observations of Cassiopeia a (cas a), a neutron star 11,000 light-years from Earth.
钱德拉X射线天文台，排行老三。 1999年7月哥伦比亚号航天飞机搭载升空，运行在高地球轨道上。
The third member of the Great Observatory family, the Chandra X-Ray Observatory (CXO), was deployed from a Space Shuttle and boosted into a high-Earth orbit in July 1999.
这是由Brian G . Marsden(史密松天体物理天文台)在星期一的时候根据它的轨道参数所得出的结论。
That's the upshot of the orbital elements calculated on Monday by Brian G. Marsden (Smithsonian Astrophysical Observatory).
使得这个天体（被称为SN 1979C）如此特别的事实在于多年以来它已经被一系列轨道上的X射线望远镜所观察研究，最近的观测是钱德拉X射线天文台所做的。
What makes this one -- dubbed SN 1979C -- special is that it has been observed over the years with a series of orbiting x-ray telescopes, most lately the Chandra X-Ray Observatory.
哈勃望远镜是于1990年由美国航空航天局发射的一个轨道运行天文台。
THE Hubble space telescope, an orbiting observatory launched in 1990 by NASA, America's space agency.
哈伯太空望远镜：置于地球轨道上最精密的光学天文台。
Hubble Space Telescope (HST) : Most sophisticated optical observatory ever placed into orbit around Earth.
日内瓦天文台的两位天文学家已经测定了一颗环绕飞马星座中某一恒星作轨道运行的行星的位置。
TWO ASTRONOMERS from the Geneva Observatory have spotted a planet orbiting a star in the constellation Pegasus.
日内瓦天文台的两位天文学家已经测定了一颗环绕飞马星座中某一恒星作轨道运行的行星的位置。
TWO ASTRONOMERS from the Geneva Observatory have spotted a planet orbiting a star in the constellation Pegasus.
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