Heli Järventie-Ahonen

Heli Järventie-Ahonen

Heli Järventie-Ahonen
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Barnard’s Loop Nebula.

The constellation of Orion features one of the largest emissions nebulae, Barnard’s loop, which was probably formed by a series of supernova explosions some 3 million years ago. Also smaller but visible are the Great Orion Nebula and the Horsehead Nebula.