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At first glance, this cosmic kaleidoscope of purple, blue and pink offers a strikingly beautiful � and serene � snapshot of the cosmos. However, this multi-colored haze actually marks the site of two colliding galaxy clusters, forming a single object known as MACS J0416.1-2403 (or MACS J0416 for short).
The star cluster NGC 1854, a gathering of red, white and blue stars in the southern constellation of Dorado (The Dolphinfish).
NASA�s Hubble Finds Universe Is Expanding Faster Than Expected
These three bright nebulae are often featured in telescopic tours of the constellation Sagittarius and the crowded starfields of the central Milky Way.