NGC 6543 (Cat's Eye Nebula)

Autor(i): Lux H.M.T. Trolligi

Data lansării:

The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula 3,300±900 light-years away in the constellation Draco, discovered by William Herschel on 1786-Feb-15. It was the first such planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature.

Ajutați-ne să traducem această pagină aici.

Deschide în Celestia (recomandat) sau Descarcă

Cum se instalează add-on-urile? Aflați aici.