Coronagraph
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Cp17may06.png/220px-Cp17may06.png)
A coronagraph is a telescope to see things around the Sun. The telescope uses a disk to block the bright surface of the sun, exposing bright objects around the sun to be visible to human eyes.[1]
References
- ↑ "What is a Coronagraph?". www.spaceweather.com.