Computer simulations reveal that our Local Group of galaxies is embedded in a flat sheet of dark matter
Sandeep K S
Jan 28
1 min read
Illustration of the cosmic phenomenon "The Great Dark Matter Sheet," highlighting the gravitational anomaly within our Local Group, where nearby galaxies move away despite its gravity. The diagram explains this through a "Dark Matter Sheet" providing balance, counteracting the gravitational pull. Andromeda's exception and surrounding cosmic voids are visualized, depicting the interaction of dark matter and cosmic expansion.
Scientists have uncovered the first robust evidence of a black hole and neutron star crashing together while orbiting in an oval path, challenging long-standing assumptions about cosmic pair formation.
Most neutron star-black hole pairs are expected to adopt circular orbits long before merging, their orbits slowly rounded out by the constant emission of gravitational waves over millions of years.
Far from the warmth of any star, moons orbiting rogue gas giants might harbor oceans of liquid water—and potentially complex life—for billions of years.
Liquid water is considered essential for life. Surprisingly, however, stable conditions that are conducive to life could exist far from any sun.
Look up on a clear night and you'll see the streaks of our modern satellite networks. What you don't see is the growing fallout for the atmosphere that keeps us alive.
A wave of satellite launches and reentries is changing the chemistry and physics of the middle and upper atmosphere. Studies warn of ozone depletion, stratospheric heating, and new metal aerosols from burning spacecraft.
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