Cynus Poster

from £30.00

The constellation cygnus (the swan) sits within our milkyway galaxy. The north america nebula, or ngc 7000, sits within cygnus. This nebula is quite large and extends up to four moon widths. The reddish glow from the nebula is created by excited hydrogen gas. hydrogen atoms absorb energy from the radiation of nearby young stars and then emit that energy as light at wavelengths referred to as hydrogen alpha (656.281nm). to our eyes, this is a deep red.

The andromeda galaxy can be seen in the top left of this image.

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The constellation cygnus (the swan) sits within our milkyway galaxy. The north america nebula, or ngc 7000, sits within cygnus. This nebula is quite large and extends up to four moon widths. The reddish glow from the nebula is created by excited hydrogen gas. hydrogen atoms absorb energy from the radiation of nearby young stars and then emit that energy as light at wavelengths referred to as hydrogen alpha (656.281nm). to our eyes, this is a deep red.

The andromeda galaxy can be seen in the top left of this image.

The constellation cygnus (the swan) sits within our milkyway galaxy. The north america nebula, or ngc 7000, sits within cygnus. This nebula is quite large and extends up to four moon widths. The reddish glow from the nebula is created by excited hydrogen gas. hydrogen atoms absorb energy from the radiation of nearby young stars and then emit that energy as light at wavelengths referred to as hydrogen alpha (656.281nm). to our eyes, this is a deep red.

The andromeda galaxy can be seen in the top left of this image.