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Hace 4 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...
- 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 1 día · The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
Hace 2 días · Star clusters in the Cosmic Gems arc (cropped) The team notes that this discovery connects a variety of scientific fields. “These results provide direct evidence that indicates proto-globular clusters formed in faint galaxies during the reionisation era, which contributes to our understanding of how these galaxies have succeeded in reionising the Universe,” explained Angela.
Hace 3 días · A galaxy is any of the systems of stars and interstellar matter that make up the universe. Many such assemblages are so enormous that they contain hundreds of billions of stars. Galaxies usually exist in clusters, some of which measure hundreds of millions of light-years across.
Hace 1 día · A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. This summer, scientists have their eyes and telescopes trained on the small ...
Hace 1 día · News about Stars. Read science articles and see images on the birth of monstrous stars, brown dwarfs and red giants. Consider stellar evolution and more.
Hace 1 día · The JWST has detected star clusters that existed less than 500 million years after the Big Bang. These clusters, in the Cosmic Gems arc, could reveal secrets of cosmic evolution.
