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Mar 25, 2019 · Main. Most galaxies in the local Universe are either blue, gas-rich systems featuring a prominent disky component, where new stars are being formed from the interstellar gas reservoirs, or red,...
- M. M. Pawlik, S. McAlpine, S. McAlpine, J. W. Trayford, J. W. Trayford, V. Wild, R. Bower, R. A. Cra...
- 2019
The left panel is an example of a ‘normal’ galaxy that does not show signs of morphological disturbance, the middle panel is an example of a ‘disturbed’ galaxy and the right panel is an example...
Key concepts and summary. When galaxies of comparable size collide and coalesce we call it a merger, but when a small galaxy is swallowed by a much larger one, we use the term galactic cannibalism. Collisions play an important role in the evolution of galaxies.
May 25, 2020 · This complex behaviour is mainly ascribed to repeated perturbations induced by the Sagittarius dwarf galaxy (Sgr) along its orbit, pointing to this satellite as the main dynamical architect of...
- Tomás Ruiz-Lara, Tomás Ruiz-Lara, Carme Gallart, Carme Gallart, Edouard J. Bernard, Santi Cassisi, S...
- 2020
Jan 4, 2019 · Galaxies are composed of stars, dust, and dark matter, all held together by gravity. They come in a variety of shapes, sizes, and ages.
Apr 15, 2024 · Vera C. Rubin Observatory will search wide and deep into the cosmos for signs of dark matter and dark energy and yield new insights into our own galaxy and solar system. SLAC built Rubin's LSST Camera (above), the largest camera ever built for astrophysics.
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Aug 5, 2022 · Summary: According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a...
