The Galaxies in Hickson Compact Group 40 from the Hubble Space Telescope #SpaceSaturday
The group of galaxies called Hickson Compact Group 40 are unusually close together, at least they were when the image was taken. They won’t be forever. Here’s more from ScienceAlert:
What you’re looking at are three spiral-shaped galaxies (with the orange dust clouds), an elliptical galaxy (nearer the top, showing light from billions of stars), and a lenticular or lens-like galaxy (towards the lower right).
Astronomers have been tracking the Hickson Compact Group 40 in different spectra of light, with X-ray readings revealing that the galaxies are having gravitational effects on each other, due to the presence of enormous amounts of hot gas in the space between them.
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