Solar prominence and Tongue

Solar prominence noun - Large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphere.

Tongue and solar prominence are semantically related. in sun surface eruption topic. In some cases you can use "Tongue" instead a noun phrase "Solar prominence".

Tongue noun - The stock of words, pronunciation, and grammar used by a people as their basic means of communication.

Solar prominence and tongue are semantically related. You can use "Solar prominence" instead a noun "Tongue".