description NGC 7129 Overview
NGC 7129 is a reflection nebula and its associated open cluster located in the constellation Cepheus. The nebula is illuminated by a cluster of very young stellar objects that are estimated to be less than one million years old. Its distinct rose-shaped appearance is created by blue dust reflecting the light of these recently formed stars, surrounded by reddish emission from nearby molecular hydrogen. This region serves as an active stellar nursery, making it a frequent target for infrared and optical astronomical observations.
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What is NGC 7129?
NGC 7129 is a reflection nebula associated with an open cluster in the constellation Cepheus. Its light comes from young stars that illuminate surrounding dust.
How old are the stars illuminating NGC 7129?
The stellar objects associated with NGC 7129 are estimated to be less than one million years old. That makes the region a site of very recent star formation on astronomical timescales.
Why does NGC 7129 look rose-shaped?
Its rose-like appearance is created by the way dust and gas around the young stellar cluster reflect and scatter starlight. The object is therefore classified primarily as a reflection nebula rather than a bright emission nebula.
Where in the sky can NGC 7129 be found?
NGC 7129 is located in the constellation Cepheus. It is associated with a young open cluster embedded in the same dusty region.
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