Celestial Emissions - Eta Carina Nebula by strongmanmike2002. Glowing regions of gas in our galaxy are known as emission nebulae. Imaging these nebulae through filters that only allow the passage of very specific wavelengths of light produces this type of image.
Brightest Explosion In the Universe Ever Seen Defies Astronomy Theories. #Space
astronomy, outer space, space, universe, stars, nebulas
Composite of several lunar eclipses, lined up to show the Earth's shadow. From APOD.