NASAのインスタグラム(nasa) - 9月13日 05時33分

The arrangement of the spiral arms in the galaxy Messier 63, seen here in an image from the Hubble Space Telescope, recall the pattern at the center of a sunflower. So the nickname for this cosmic object — the Sunflower Galaxy — is no coincidence.

Galactic arms, sunflowers and whirlpools are only a few examples of nature’s apparent preference for spirals. For galaxies like Messier 63 the winding arms shine bright because of the presence of recently formed, blue–white giant stars and clusters, readily seen in this Hubble image.

Credit: ESA/Hubble & NASA

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