Hubble’s biggest finds on its 32nd birthday 0:50 (CNN) — The Hubble Space Telescope has looked directly into the heart of a stunning galaxy. The observatory captured this front view of a grand design spiral galaxy, called NGC 3631, located about 53 million light-years from Earth. The celestial system is in the direction of the constellation of the Great Bear. These distinctive galaxies have arms that seem to wrap around their structure, as well as the heart of the galaxy. The arms of NGC 3631 are populated with bright regions where stars are being born, as well as dark, dusty areas. Stars form within spiral arms due to the concentration of matter. Slower-moving matter within the galaxy can settle, drawing in the gas and dust needed to form stars together in the inner spiral arms. As this accumulation of matter becomes denser, it undergoes gravitational collapse leading to the birth of new stars. Star formation can be seen in bright bluish-white in the new Hubble image. Other shades of blue represent visible light, and orange shows infrared light, which is otherwise invisible to the human eye. This image was created using data from Hubble’s Wide Field Camera 3 and the Advanced Camera for Surveys. Spiral galaxies are incredibly common throughout the universe, while grand design spirals are rarer. They stand out for their very well defined spiral arms.
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