Hubble is celebrating galaxies this week with a series of brand-new images showing some of the universe's most spectacular sights.
. In addition to sharing fascinating information about some of the most interesting galaxies in the universe, each post has also been a visual treat.
“NGC 4654 also had an interaction with the companion galaxy NGC 4639 about 500 million years ago. The gravity of NGC 4639 stripped NGC 4654’s gas along its edge, limiting star formation in that region and causing the asymmetrical distribution of the galaxy’s stars,” writes NASA. The galaxy is helpful to scientists because it enables them to examine the connection between young stars and the cold gas they require to form.Next is a portrait of a rare radio galaxy, the lenticular NGC 612.
As for NGC 612’s rarity, that comes down to the fact that it is a non-elliptical radio galaxy, a galaxy that emits significant radio waves. Astronomers have found only five galaxies like this so far, and it is still being determined what causes galaxies like NGC 612 to feature radio emission.NGC 6951 features bright blue spiral arms and a bright white galactic core.
At the center of NGC 6951 is a supermassive black hole encircled by a ring of stars, gas, and dust about 3,700 light-years across. The “circumnuclear ring” is estimated to be perhaps 1.5 billion years old and has been actively forming stars for much of its life.interstellar gas flows through the “dense, starry bar of the galaxy to the circumnuclear ring, which supplies new material for star formation.
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