Digital Image: The Swan Nebula
This is the massive emission nebula M17 in Sagittarius, also known as the “Swan Nebula” due to the waterfowl shape of the main nebula section. It is also known as the “Omega Nebula”. This emission nebula is between 5,000 and 6,000 light-years from Earth and it spans some 15 light-years in diameter. It is considered one Read More …
