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Hace 3 días · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.
- Star Populations and Movement
Milky Way Galaxy - Star populations and movement: The...
- Structure, Dynamics, Stars
Milky Way Galaxy - Structure, Dynamics, Stars: The first...
- Kepler’s Nova
Kepler’s Nova, one of the few supernovae (violent stellar...
- Andromeda Galaxy
Andromeda Galaxy, (catalog numbers NGC 224 and M31), great...
- Tycho’s Nova
Tycho’s Nova, one of the few recorded supernovas in the...
- Crab Nebula
Crab Nebula, (catalog numbers NGC 1952 and M1), probably the...
- Orion Nebula
Orion Nebula, bright diffuse nebula, faintly visible to the...
- Pleiades
Pleiades, (catalog number M45), open cluster of young stars...
- Star Populations and Movement
Hace 5 días · Milky Way Galaxy - Star populations and movement: The concept of different populations of stars has undergone considerable change over the last several decades. Before the 1940s, astronomers were aware of differences between stars and had largely accounted for most of them in terms of different masses, luminosities, and orbital ...
Hace 2 días · Included in the discussion are the external galaxies (i.e., those lying outside the Milky Way Galaxy, the local galaxy to which the Sun and Earth belong), their distribution in clusters and superclusters, and the evolution of galaxies and quasars.
Hace 3 días · Hubble's law, also known as the Hubble–Lemaître law, [1] is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth.
Hace 5 días · News and research on the formation of galaxies. From the Milky Way to Andromeda Galaxy, see astronomy images of splendid galaxies in the universe. Read the latest research discoveries.
Hace 2 días · 30 years ago, Nasa announced that the Hubble Space Telescope provided the strongest evidence yet that "planet-making process" is common in our Milky Way galaxy. Thirty years later, astronomers ...
Hace 5 días · Crater 2, located approximately 380,000 light years from Earth, is one of the largest satellite galaxies of the Milky Way. Extremely cold and with slow-moving stars, Crater 2 has low surface brightness. How this galaxy originated remains unclear.
