We learn about the planets, stars, and galaxies by their light—visible light ... same part constellation, Orion, as Betelgeuse but even farther away is the Orion Nebula, a place where we ...

The Iris is a reflection nebula, a cloud of gas and dust illuminated by a central star. It's six light-years across, and lies 1400 years away from the earth. The Eagle Nebula is a young open cluster ...

The Orion Nebula. Credit: NASA ... The red hue is evidence of ionized hydrogen, which gives off visible light at a wavelength of 656.3 nm. Likewise, the green is from a rare "forbidden" behavior ...

Luminosity includes all electromagnetic radiation emitted like X-rays; radio and gamma waves; infrared and ultraviolet wavelengths; not just visible light ... the famed Orion Nebula, all of ...

An international research team led by the University of Vienna has discovered that the solar system traversed the Orion ...

The Orion Nebula is one of the best must-see attractions in the Pottsville sky, and it is even more impressive once you get ...

Going back to Orion’s Belt, look for three stars in a row below Orion’s Belt. Does that middle star look fuzzy to you? It’s a stellar nursery known as Orion Nebula or Messier 42 where stars ...

Pity the poor constellation Monoceros. The faint Unicorn is outshone by famous constellations like Gemini, the Twins, to the north and Orion, the mythic giant, to the west.

Giant clouds of dust and gas were spotted in Norfolk skies ahead of seven planets being visible at the same time.