coronagraph

coronagraph

1. To see such a planet, which is less than a billionth as bright as its host star, astronomers have to block out the star using a small opaque disk known as a coronagraph.

为了观察这类行星，由于其亮度不到主星的10亿分之一，天文学家必须利用日冕仪（不透明的小圆盘）来挡住恒星。

2. Arcing toward a fiery fate, this Sungrazer comet was recorded by the SOHO spacecraft's Large Angle Spectrometric COronagraph(LASCO) on 1996 Dec. 23.

以优美的弧线走向了惨烈的毁灭之路，这颗掠日彗星由SOHO探测飞船的广角光谱日冕观测仪（LASCO）于1996年12月23日记录得到。

3. internally occulted mirror coronagraph

反射式日内掩冕仪

4. Determining shock velocities for inputs to Sun-to-Earth models from radio and coronagraph data

根据无线电和日冕仪资料输入到太阳-地球模式探测撞击速度

5. This was just one of nearly 300 comets discovered by SOHO since 1996, thanks mainly to the privileged view of the sky around the Sun given by the visible-light coronagraph LASCO.

由于有了LASCO日冕观测仪和在太空中观察太阳的有利的位置，使得这仅仅是SOHO自1996年以来发现的300颗彗星中的一颗。

6. The white ring on the LASCO coronagraph mask, which shields the instrument from the glare of direct sunlight, denotes the size and position of the visible Sun.

而LASCO表面保护日冕仪不受直射的阳光的干扰的白环显示了太阳的大小和位置。