然而，大部分彗星都过小或过暗，只能用望远镜观察到。
However, most comets are too small or too faint to be seen without a telescope.
nasa斯必泽太空望远镜的资料，资料显示这颗明亮的恒星周围环绕着一个尘埃带，其中的物质包含水冰、有机物和岩石，跟碰撞后粉碎的彗星物质极为相似。
NASA's Spitzer Space Telescope showing a band of dust around the bright star that strongly matches the contents-such as water ice, organics, and rock-of a comet busted apart in a collision.
现在用双筒望远镜很容易找到麦克·诺特彗星，它将在以后一段时间，在黎明东边地平线上慢慢下落，7月2日过近日点。
Easy to spot in binoculars for now, McNaught will sink into the twilight along the eastern horizon in the coming days as it heads toward perihelion (closest approach to the Sun) on July 2.
将通过设在月球的天文望远镜和由月球发射的宇宙飞船，对数以千计的近地目标星体（小行星和彗星）进行分析研究。
Thousands of near-Earth objects (asteroids and comets) will have been analyzed by telescopes on the Moon and by spacecraft that were launched from the Moon.
哈雷彗星是否故意在下一个75年呼啸而过之前在天文望远镜前摆好姿势？
Does Halley's comet intentionally pose for the telescopes before whizzing off for another 75 years?
他们使用赫歇尔太空望远镜来观测哈特利2号，这颗来自柯伊伯带【2】的彗星。
They used the Herschel space telescope to examine Comet Hartley 2, which originated in the Kuiper Belt.
在图中右边可以看见哈雷彗星2号，它现在正在离我们远去，不过北半球的天文观察者还是可以通过双筒望远镜看到它。
Comet Hartley 2, visible on the right, is now fading but still discernable to northern observers with binoculars.
当然，如果你直接跑到彗星核上，就根本不需要用双筒望远镜了，而这正是美国国家航空和航天管理局的EPOXI宇航飞船在11月4日的使命。
No binoculars are needed, of course, if you go right up to the comet's nucleus, as is the plan for NASA's EPOXI spacecraft on November 4.
如果我有望远镜，我就可以清楚地看见那颗彗星。
哈勃望远镜新装的摄像头观测到木星表面大气扰动，据估计可能受是彗星或者小行星影响。
Hubble has trained its new camera on the atmospheric disturbance on Jupiter believed to have been caused by a comet or asteroid impact.
这意味着需要一个漆黑的天空和双筒望远镜你才能看见这颗彗星。
This means seeing the comet will require binoculars and a dark sky.
现在，有一定概率的Elenin彗星大约在八月中旬会变成一个很明显的双筒望远镜观测目标，并在近日点附近的几星期达到肉眼可见的程度。
Right now, odds are that Comet Elenin will become an easy target for binoculars around mid-August and reach naked-eye visibility for a couple of weeks around perihelion.
现在，有一定概率的Elenin彗星大约在八月中旬会变成一个很明显的双筒望远镜观测目标，并在近日点附近的几星期达到肉眼可见的程度。
Right now, odds are that Comet Elenin will become an easy target for binoculars around mid-August and reach naked-eye visibility for a couple of weeks around perihelion.
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