description NGC 2023 Overview
NGC 2023 is a reflection nebula located in the constellation Orion, approximately 1,300 light-years from Earth. It appears as a bluish glow surrounding the young B-type star HD 37903, whose starlight scatters off surrounding dust grains to create the reflection effect. The nebula is situated near the famous Horsehead Nebula and forms part of the larger Orion Molecular Cloud complex. It is one of the largest reflection nebulae in the sky and can be observed in moderate-sized amateur telescopes.
help NGC 2023 FAQ
What is NGC 2023?
NGC 2023 is a reflection nebula in the constellation Orion. It appears as a bluish glow around the young B-type star HD 37903.
Why does NGC 2023 look blue?
Dust around HD 37903 scatters the star's light and creates the nebula's reflection glow. It shines by reflected starlight rather than producing the same kind of emission as an emission nebula.
How far away is NGC 2023?
NGC 2023 is approximately 1,300 light-years from Earth. Its location in Orion places it among the prominent star-forming structures visible in that constellation.
What star illuminates NGC 2023?
The young B-type star HD 37903 provides the starlight that is scattered by surrounding dust. That scattering produces the visible reflection nebula known as NGC 2023.
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