查询词典 diffuse nebula

This suggestively shaped reflection nebula is associated with the bright star Rigel in the constellation Orion.

女巫头星云，是一个依照它的形状而命名的反射星云，它位在猎户座内，而且受到亮星参宿七的影响。

Fine dust in the nebula reflects the light. The blue color is caused not only by Rigel's blue color but because the dust grains reflect blue light more efficiently than red.

女巫头星云的颜色是蓝色的，这不只是因为参宿七看起来是蓝色的，而且也是因为星际尘埃的颗粒对蓝光的散射效率比红光要好。

Were IC 4406 viewed from the top, it would likely look similar to the Ring Nebula.

若是从IC 4406的上方往下看，看起来就可能跟环状星云差不多。

The interaction of these stars and the more massive star that sheds material to create the nebula formed the ring structure.

这对互相绕转的双星以及它们大质量伴星蜕下的物质共同形成了环状结构。

NASA's Spitzer Space Telescope finds a delicate flower in the Ring Nebula, as shown in this image.

斯比策空间望远镜在星云环里找到一朵精致的花朵，如图所示。

For example, I was looking at the Ring Nebula and the central star was in and out and faint at that.

比如，我看环状星云，中心星点有变形和闪烁。

The Ring Nebula image was capturedearlier and represents three hours of exposure.

然后2张照片经过数字叠加就成功了（把照片中的恒星对准了叠加，我们的许多星图都是这么拍摄的——译注）。

From the star atlas, you will see that the Ring Nebula, M57, is close to the star Vega.

从星图上，你将看到环状星云， M57，临近织女星。

Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.

以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。

Explanation: This gorgeous celestial vista is centered on one of the Milky Way's own planetary nebulae, M57, the famous Ring Nebula.

说明：这幅美丽的天文景观，主角是我们银河系的著名行星状星云M57；别名为环状星云。

Newly designed quick-refill fuel tank cap and dust proof radio box back-up their impressive form by also contributing to the low center of gravity.

新设计的快速填充油箱盖和防尘电台方块备份其令人印象深刻的形式也有助于低重心。

The book is a spin-off from his master's thesis.

这本书是他的硕士论文的派生作品。