It roams the Sagittarius arm of our galaxy, the Milky Way, about 9,000 light-years away.
Within the region, episodes of star formation are believed to contribute to the complex and suggestive shapes.
Strong stellar winds from the massive young stars incorporated into NGC 3576 shape two huge filaments that resemble the coiled horns of a ram.
Also discovered by John Herschel in 1834, NGC 3603 is a glowing cloud of gas, dust and stars about 20,000 light-years away towards the constellation Carina.
At the heart of NGC 3603 is a Wolf-Rayet multiple star system known as HD 97950.
NGC 3603 is in a very active star formation area. Stars are born in dark, dusty regions of space, largely hidden from view.
But as young stars begin to glow and shed their cocoons of surrounding material, they become visible and create glowing clouds in the surrounding material, known as HII regions.
The HII regions glow due to the interaction of ultraviolet radiation emitted by hot young stars with clouds of hydrogen gas.
These regions can measure several hundred light-years across, and the one surrounding NGC 3603 has the distinction of being the most massive in the Milky Way Galaxy.
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