There are billions of galaxies in the part of the universe that is visible to us, and each one has its own set of distinctive features. Astronomers consider systems with less than around ten million stars to be “dwarf” systems. On the other hand, there are very large galaxies, each of which contains a hundred trillion stars.
We do not know too much about the barred spiral galaxy NGC 7496 at this time. Its diameter is 70,000 light-years, which places it in a position below the Milky Way in terms of size. This object also goes by the designations IRAS 23069-4341, LEDA 70588, ESO 291, and NGC 7496, among others. The Hubble telescope is concentrating its efforts on studying the galaxy in greater detail.
This image of the Grand Design Spiral, also known as NGC 3631, was obtained by the Hubble Space Telescope and reveals its location 53 million light-years away in the direction of the constellation Ursa Major. It would seem like amazing design spirals are wrapping themselves around the galactic center to form a ring around it.
This Picture of the Week from the NASA/ESA Hubble Space Telescope shows the barred spiral galaxy NGC 7496, which lies over 24 million light-years away in the constellation Grus.
— HUBBLE (@HUBBLE_space) May 30, 2022
Galaxies with a grand design feature distinct spiral arms that are clearly defined, in contrast to multi-arm and flocculent spirals, which have structures that are more pliable. It is possible to make out the spiral arms of a grand design galaxy stretching over a significant portion of the galaxy’s radius over the course of many radians.
An in-depth investigation of NGC 3631’s grand spiral arms reveals bright star-forming regions in the inner spiral arms and dark dust lanes in the outside spiral arms. The creation of spiral stars is analogous to traffic congestion on an interstate highway. When stuff in the spiral’s disk moves more slowly than other matter, a bottleneck is generated. This bottleneck concentrates star-forming gas and dust at the spiral’s innermost arms, similar to how traffic is concentrated on a highway. It is feasible for this congestion of mass, which might lead to the formation of new stars, to collapse (seen here seen in bright blue-white).
The image was created with the help of both the Wide Field Camera 3 and the Advanced Camera for Surveys. The wavelength of light known as infrared is represented by the color orange, whereas the wavelength of light known as visible light is represented by the color blue.
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