Definition

A type of telescope used to observe the sun's corona, which is the outer atmosphere of the sun.

Example

The astronomers used a coronagraph to study the solar eclipse.

Conversation

Have you ever seen a picture taken with a coronagraph?

No, I haven't! What is it exactly?

It's a telescope that helps us observe the sun's corona during an eclipse.

That sounds fascinating! I would love to see some images from it.

Synonyms & Antonyms

Root Explanation

Coronagraph is formed from "corona" (from Latin "corona", meaning crown or halo) and "-graph" (from Greek "grapho", meaning to write or draw). The word refers to a device that captures images of the solar corona, resembling a crown around the sun.

Memory Tip

Think of 'corona' meaning crown, and '-graph' meaning to draw. This helps you remember that a coronagraph is a tool that draws or captures images of the sun's crown.

Visually Confused Words