Why does hydrogen require a specific amount of energy to remove its electron? ⚛️ This video explains the Bohr model by deriving the ionization energy of hydrogen, connecting classical mechanics, ...
The Ring Nebula, also known as Messier 57, sits about 2,000 light-years from Earth. It is a planetary nebula—a misleading ...
"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the ...
The Ring Nebula’s iron bar may be just one of many, as astronomers search for similar structures in other nebulae ...
Astronomers have discovered a strange, bar-shaped iron structure within the Ring Nebula, which could be the remains of a ...