radio

Space & Cosmos

Large radio bubble detected in galaxy NGC 4217

A grayscale background map shows the JVLA 3 GHz continuous radio emission in NGC 4217’s halo at 7′ angular resolution. Credit: Heesen et al., 2024. An international team of astronomers has conducted radio observations of a star-forming galaxy known as NGC 4217. Through this observation activity, a large radio bubble was detected in the galaxy’s halo. The findings were reported…