A Spectral Glimpse of a Lenticular Galaxy
In the vast canvas of space, the lenticular galaxy NGC 6684 takes center stage in this captivating image captured by the NASA/ESA Hubble Space Telescope. Bathed in a subtle, pale light, NGC 6684 is a mesmerizing presence located around 44 million light-years away from Earth in the Pavo constellation.
Pavo, derived from the Latin term for peacock, is a constellation that graces the southern sky. It belongs to a group of four constellations collectively referred to as the Southern Birds.
What sets NGC 6684 apart is its unique classification as a lenticular galaxy, signifying its lens-shaped appearance. Unlike galaxies like the majestic Andromeda Galaxy, lenticular galaxies lack the well-defined spiral arms. They find themselves in a middle ground between elliptical and spiral galaxies, which imparts them with an ethereal, diffuse appearance. The absence of prominent dark dust lanes further enhances their enigmatic character.
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The image is part of the monumental effort titled "Every Known Nearby Galaxy." This ambitious project aims to survey all galaxies within 10 megaparsecs (about 32.6 million light-years) that the Hubble Telescope has not yet explored. Prior to this endeavor, Hubble had observed approximately 75% of these nearby galaxies. By completing this comprehensive census, scientists hope to uncover valuable insights into the composition and nature of stars within a diverse range of galaxies across various environments.
As we gaze upon NGC 6684, we are reminded of the ever-expanding quest to understand the mysteries of the cosmos. This stunning snapshot provides a window into the wondrous celestial ballet unfolding beyond our Earthly confines.
Text credit: European Space Agency (ESA)
Image credit: ESA/Hubble & NASA, R. Tully
