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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

The featured image shows the nebulae NGC 6188 and NGC 6164. The former is a star forming region near the image center filled with glowing gas and laced with dust that resembles dragons. The smaller NGC 6164 is seen on the lower right is an emission nebula created by a single massive star in its center. Please see the explanation for more detailed information.

NGC 6188: Dragons of Ara

Explanation: Where can you find dragons fighting in the night sky? In the southern constellation of the Altar: Ara . The dragons are, of course, actually made of suggestively shaped gas and dust. The celestial home of the mythological battling beasts is cataloged as NGC 6188 and located about 4,000 light year s away near the edge of a large molecular cloud . Massive, young stars of the embedded Ara OB1 association were formed there only a few million years ago, sculpting the dark shapes and powering the nebular glow with stellar winds and intense ultraviolet radiation. Joining NGC 6188 on this cosmic canvas, visible toward the lower right, is unusual emission nebula NGC 6164 , also created by one of the region's massive stars . This impressively wide field picture , captured from Queensland , Australia , spans over 2 degrees (four full Moon s).

Date July 7, 2026
Credit Image Credit & Copyright: Rod Prazeres
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.