Click For Photo: https://en.es-static.us/upl/2019/10/spiral-galaxy-profile-300x279.jpg
Image via ESA/Hubble & NASA, D. Rosario.
This Hubble Telescope image, released by ESA on October 11, 2019, shows a spiral galaxy oriented sideways. The dust and spiral arms of spiral galaxies, like our own Milky Way, appear flat when viewed edge-on. The galaxy in the image, called NGC 3717, is located about 60 million light-years away in the constellation of Hydra (The Sea Serpent).
Galaxy - Stars - Gas - Dust - Arms
In a spiral galaxy, the stars, gas and dust are gathered in spiral arms that spread outward from the galaxy’s center. Because, in this image, we’re looking at NGC 3717 edge-on, we can’t see this galaxy’s spiral arms. But, according to a statement from ESA:
Seeing a spiral almost in profile, as Hubble has here, can provide a vivid sense of its three-dimensional shape. Through most of their expanse, spiral galaxies are shaped like a thin...
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