SpaceMore in Space→
Three galaxy pairs show three stages of interaction
Key Takeaways
- NASA’s APOD contrasts three galaxy pairs to show different interaction states.
- NGC 4650A may preserve evidence of a past collision despite no current interaction.
- NGC 4622A and NGC 4622B are actively interacting and may merge in about a billion years.
DE
DT Editorial Team··via science.nasa.gov
 *The full trail of galaxies, with an inset image of DF9 taken by the Hubble Space Telescope. Credit: Keim et al. (2026)/DECaLS/HST* (via universetoday.com)](https://www.universetoday.com/article_images/YN_DF9-drak-galaxy_20260630_213243.jpg)
