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Supergalactic Plane

All articles tagged with #supergalactic plane

science1 month ago•43 min saved

What’s Below the Solar System’s Plane? A Cosmic Perspective

Earth’s planets orbit the Sun in a relatively flat plane called the ecliptic, and there is no universal 'down' in space—the direction depends on the scale and frame of reference: beyond the solar system, stars lie in a galactic plane inclined about 60° to the ecliptic, and galaxies lie in the supergalactic plane; traveling in the apparent 'down' would eventually take you to other stars and galaxies, illustrating that spatial orientation in the cosmos is relative rather than fixed.

via Yahoo|

#ecliptic #galactic-plane #milky-way

astronomy2 years ago•2 min saved

Unveiling the Elusive Rarity of Spiral Galaxies: Astronomers Uncover the Long-Awaited Answer

Astronomers have discovered why spiral galaxies like the Milky Way are rare in our cosmic neighborhood. Supercomputer simulations revealed that frequent galactic collisions in the Supergalactic Plane transformed spiral galaxies into elliptical galaxies, while somehow sparing our own. The collisions shattered the delicate arms of spiral galaxies and pushed more matter into their supermassive black holes, making them even bigger. Spiral galaxies located away from the plane were mostly unaffected, allowing them to preserve their structures.

via Yahoo Life|

#astronomy #galaxy-collisions #milky-way

astronomy2 years ago•5 min saved

Unveiling the Mystery: The Scarcity of Milky Way-like Galaxies in Our Vicinity

Researchers have used supercomputer simulations to understand why there are few disk galaxies like the Milky Way in the supergalactic plane (SGP). The simulations showed that inside the SGP, galaxies interact and merge more frequently, transforming spirals into ellipticals. Outside the SGP, galaxies interact less, allowing disk galaxies to retain their form. The results align with observations and support the Lambda Cold Dark Matter (CDM) model, which suggests that the distribution of galaxies in relation to the SGP arises naturally within the standard model of galaxy formation and evolution.

via Universe Today|

#astronomy #galaxies #lambda-cdm-model

astronomy2 years ago•3 min saved

Unraveling the Mystery: Physicists Explain the Missing Spiral Galaxies in the Supergalactic Plane

Astrophysicists have discovered why spiral galaxies, like the Milky Way, are largely absent from the Supergalactic Plane. The dense galaxy clusters in this region lead to frequent interactions and mergers, transforming spiral galaxies into elliptical galaxies. In contrast, galaxies outside the Plane can evolve in relative isolation, preserving their spiral structure. The findings, based on supercomputer simulations, provide insights into the distribution and evolution of galaxies in our local universe.

via Phys.org|

#astronomy #astrophysics #cosmological-simulations