The European Southern Observatory (ESO) unravels a myriad of colours in the latest ultra-detailed image of the Sculptor ...

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly what the instrument can do ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

His goal was ambitious: to reveal not only Andromeda’s famous spiral structure but also the delicate veil of glowing hydrogen gas surrounding it, and perhaps even the elusive OIII arc.

Putting Isaac Roberts’ astonishing 1888 photographs of the Great Nebula in Andromeda and other spiral nebulae to cosmic effect at his argument’s outset, Pettigrew then immersed the reader in a ...

NGC 4535, or the "Lost Galaxy," is a barred spiral galaxy approximately 50 million light-years distant in the Virgo constellation. It is part of the immense Virgo Cluster, which harbors nearly ...

Hubble worked hard, taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of 1924, he had found 12 Cepheids in M31.

A third category – nebulae with spiral structure – particularly intrigued astronomers. The Andromeda nebula, M31, was a prominent example. It’s visible to the naked eye from a dark site.

M83 Galaxy The Southern Pinwheel Galaxy (M83), 15 million light-years away, showcases symmetrical spiral arms with vibrant stars and nebulae.

Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they were independent galaxies, extremely large and distant. At the time, the ...