... Planetary Nebula Mz3: The Ant Nebula . ... Planetary nebula Mz3 is being cast off by a star similar to our Sun that is, surely, round. Why then would the gas that is streaming away create an ant-shaped nebula that is distinctly not round? The Moons of Earth . ... This cluster is loaded with gas and dust rich, star forming, spiral galaxies but has relatively few elliptical galaxies, which lack gas and dust and the associated newborn stars. ... A dust devil. ... The Fairy of Eagle Nebula . ...