This ethereal-looking image of the Orion Nebula ... from a filter that shows the glowing hydrogen gas were colored red. Light in the yellow-green part of the spectrum is colored green, blue ...

Alnitak is blue ... Orion Nebula (M42) a few degrees lower — the fairyland that reliably thrills lovers of the heavens and which looks red, blue, and purple when photographed, but only green ...

The Orion Nebula (M42) and Carina Nebula (NGC 3372 ... appear reddish because dust absorbs and scatters blue light more effectively than red. The post The Tarantula Nebula casts a wide web ...

The Orion Nebula, also known as Messier 42 (or M42 for short), is the nearest ... color can be attributed to hydrogen, the green to oxygen and the red representing both sulfur and infrared light ...

Francisco Javier Pérez Olvera, taken from Mixquiahuala, Hidalgo, Mexico This wide-field view captures a broad swath of the ...

Most notable are the brilliant red-orange star Betelgeuse at upper left and the glorious blue ... square. M42 is approximately 1,344 light years away. Another remarkable nebula within Orion ...

At just 1,400 light-years from Earth, the Orion Nebula, M42 ... filters in this way emphasises items of interest. Look at the longer wavelength version to examine the sculpted green clouds ...

A glance eastward, about 20 degrees above the horizon, around 7 p.m. will reward the casual observer with a striking view of one of the most famous constellations in winter’s evening sky.

This ethereal-looking image of the Orion Nebula ... a filter that shows the glowing hydrogen gas, were coloured red. Light in the yellow-green part of the spectrum is coloured green, blue light ...