Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  LBN 548  ·  LBN 549  ·  NGC 7635  ·  Sh2-162
The Bubble nebula NGC7635, Philippe Brunasso
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The Bubble nebula NGC7635

The Bubble nebula NGC7635, Philippe Brunasso
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The Bubble nebula NGC7635

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Description

Here is the Bubble Nebula.
Young nebula, was born less than 4 million years ago. Its temperature is 35,000° C.
It is composed of ionized hydrogen, and formed by the stellar wind from its excentred star.
This wind has a speed of 1,700 km / second.
To cross it you will need 10 years, if you reach the speed of light, or 300,000 km / second; or, if you prefer, "One billion eighty million km / hour!
But first, to join it, still at the speed of light, plan a journey of 11,300 years!
Have a good trip.

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The Bubble nebula NGC7635, Philippe Brunasso