This is one set of lists of galaxies. For even more lists, see Lists of galaxies. Size (left) and distance (right) of a few well-known galaxies put to scale

Oct 22, 2024 · Scientists sometimes categorize galaxies based on their shapes and physical features. Other classifications organize galaxies by the activity in their central regions – …

An A-to-Z list of 100 notable galaxies of the night sky. Dim, diffuse objects like galaxies require lots of telescope aperture and are ideal for viewing with a dobsonian telescope.

What do other galaxies look like? To the eye they are fuzzy patches in the sky. With long exposures on film, various features such as spiral structure and star clusters are visible. …

Beyond the Milky Way, our galaxy, lie countless other galaxies— vast systems of stars, gas, dust, and dark matter that span the cosmos. Each galaxy is a universe unto itself, with unique …

In 1936, Hubble debuted a way to classify galaxies, grouping them into four main types: spiral galaxies, lenticular galaxies, elliptical galaxies, and irregular galaxies.

This chapter covers the galactic systems outside our own and a peculiar group of galaxies that produce a large amount of energy in their centers. The vocabulary terms are in boldface.

May 6, 2009 · But there are many other galaxies out there. Some are larger and older than the Milky Way, and others are smaller and younger. And some galaxies just defy description …

This is a list of galaxies that are visible to the naked eye, for at the very least, keen-eyed observers in a very dark-sky environment that is high in altitude, during clear and stable weather.

This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun.