Nebula
A nebula is an interstellar cloud of dust, hydrogen,
helium and other ionized gases.
Originally, nebula was a name for
any diffuse astronomical object,
including galaxies beyond the Milky Way.
By Wikipedia
Nebula
A nebula is an interstellar cloud of dust, hydrogen,
helium and other ionized gases.
Originally, nebula was a name for
any diffuse astronomical object,
including galaxies beyond the Milky Way.
By Wikipedia