FromQuarkstoQuasars

Astronomy Photo of the Day: 5/13/15 — Gemini Views the Lagoon

Jaime TrosperMay 13th 2015
Lagoon Nebula
Image Credit: Gemini Observatory, AURA, Julia L. Arias, Rodolfo H. Barba, University of La Serena, ICATE-CONICET

Messier 8 (more commonly known as the Lagoon Nebula) is among a small number of stellar nebulae that never cease to amaze from any angle, no matter the equipment, filters, or post-processing work. In this particular image, taken by the Gemini Observatory, you could look for hours and still find new details to enjoy. In fact, it is one of the most effective images I’ve seen in demonstrating the Lagoon Nebula’s size, which measures in at approximately 100 light-years across.

This region is clearly vast and equally beautiful. What’s more is that the gas and dust clouds continue to condense and collapse, ultimately forging more massive baby stars. As they arise at a fervent rate, their ultraviolet radiation has a sculpting-effect on the pillars of gas and dust still surrounding them. As a result, many unusually shaped columns appear. Their ultraviolet radiation also impacts the stellar nursery in other big ways. Namely, they energize the surrounding clouds, and make them glow. Then, the largest of the large illuminate pillars of black “smoke,” generating both dark and reflection nebulae.

The whole lot can be found approximately 4,000 to 5,000 light-years from Earth in the Sagittarius constellation.

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