Names of galaxies and stars

The following is a list of notable galaxies. Many such assemblages are so enormous that they contain hundreds of billions of stars. Galaxy clusters are gravitationally bound groupings of galaxies , numbering from the hundreds to the tens of thousands. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind. In contrast to their name , however, sometimes these galaxies are rather circular.

Additionally, elliptical galaxies do not contain many new stars.

Rather, these galaxies are comprised of ol low mass stars. What are the different kinds of galaxies? How are the galaxies with their numbers named? Galaxies are vast cosmic islands of stars , gas, dust, and dark matter held together by gravity. Hubble’s keen eye has revealed intricate details of the shapes, structures, and histories of galaxies — whether alone, as part of small groups, or within immense clusters.

This is a list of known galaxies within 3. Solar System, in ascending order of heliocentric distance, or the distance to the Sun. Some astronomers use the scientific name , while others use the common name. Nearly all large galaxies are thought to also contain.

In Hubble’s scheme, which is based on the optical appearance of galaxy images on photographic plates, galaxies are divided into three general classes: ellipticals, spirals, and irregulars. Stars , Planets, and Galaxies. Illuminate the night sky with information on stars , planets, and galaxies , along with photos of celestial objects.

Irregular galaxies have no identifiable shape or structure to them. The stars in ellipticals tend to be older. Galaxies consisting mostly of an older stellar population, such as ellipticals, in which the massive stars have already completed their evolution and have ceased to shine, have mass-to-light ratios of. The Milky Way and Andromeda galaxies are expected to collide in around 4. Spiral galaxies are typically characterized by a concentration of stars , known as the bulge, at its center, and spiral structure extending from the same. The bulge is surrounded by stars , gas, and dust, which gives the galaxy the appearance of a flat rotating disk.

The table below contains the names , selected cross identifications and positions for a number of these galaxies. The lists of known Galaxies in the Universe are discussed below: 1. It is a spiral galaxy approximately 2. Earth and the nearest major galaxy to the Milky Way. Its name stems from the area of the sky in which it appears the constellation of Andromeda.

Andromeda also has the designation M3 or Messier 3 since it’s the 31st object on Messier’s list of things that look. Consisting of planets, moons, stars , constellations, galaxies , satellites, famous astronomers, and other wonders of outer space, these astronomy boy and girl names will send your naming world to a new universe. Most of the stars in our galaxy are thought to host their own families of planets. The universe is a vast expanse of space which contains all of everything in existence.

The exact size of the universe is unknown.

As the name suggests, these stars are composed entirely of neutrons and perhaps the smallest and the densest stars in the observable universe. Neutron stars have radii between to 13. In these Sc galaxies , luminous stars and emission nebulae are very prominent. Our Galaxy and the Andromeda galaxy are both intermediate between the two extremes. Photographs of spiral galaxies , illustrating the different types, are shown in Figure along with elliptical galaxies for comparison.

Elliptical galaxies vary in size, from small dwarf galaxies to enormous galaxies. Yellow stars like our Sun are found throughout the disk of a spiral galaxy. These galaxies rotate somewhat like a hurricane or a whirlpool.

Barred spiral galaxies are spirals that have a bar running across the center of the galaxy. Examples of galaxies range from dwarfs with as few as ten million stars to giants with a hundred trillion. Galaxies are huge and can have trillions (way bigger than billions!) of stars. As big as galaxies are, they are generally separated by large areas of empty space. A galaxy is a group of stars and other space stuff.

They exist in a stable state of nuclear fusion, converting hydrogen to helium and radiating x-rays. Negative galaxies are presumed galaxies that precede Euclid (Galaxy 1). Remember that all galaxies count including the Trial Galaxies. Super Mario Galaxy 1.