Science

Galactic diversity captured in new Hubble image

Several galaxies shine brightly against the dark background of space in a recently released image from the Hubble Space Telescope.

The image captures several spiral and irregular galaxies in the constellation Hercules. The most visible galaxy, named LEDA 58109 or MCG+07-34-030, stands alone in the upper right corner of the image. It has a bright core and a spiral structure similar to our own Milky Way galaxy.

Two other galactic objects lie to the lower left of LEDA 58109 and appear to overlap. One of the objects, an active galactic nucleus (AGN) called SDSS J162558.14+435746.4, partially obscures the galaxy SDSS J162557.25+435743.5, according to the announcement. (will open in a new tab) from the European Space Agency (ESA).

On the subject: The best images of the Hubble Space Telescope of all time!

These two objects are farther from Earth than LEDA 58109. In the new Hubble image, the galaxy SDSS J162557.25+435743.5 appears to be coming out to the right due to the AGN, which is much brighter than usual. luminosity fueled by the accretion of matter by the supermassive black hole at the center of the host galaxy.

Generally, galaxies are classified as spiral and elliptical. However, according to the announcement, this new Hubble image captures a diverse array of galaxies, highlighting the difficulty of classifying these collections of stars, dust and dark matter.

“The sample of galaxies here also illustrates the wide variety of names that galaxies have: some relatively short, such as LEDA 58109, and some very long and difficult to remember, such as the two galaxies on the left,” the ESA said in a statement. . “This is due to the variety of cataloging systems that display celestial objects in the night sky. No catalog is exhaustive, and they cover overlapping regions of the sky, so many galaxies belong to several different catalogs.”

The new image was posted on July 25th.

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