astrophysics

CUNY researchers simulate black hole energy extraction with synthetic rotation

CUNY researchers have simulated the Penrose-Zel’dovich process using a stationary, time-modulated metamaterial ring. This experiment provides a controllable platform to study wave amplification and energy extraction through synthetic rotation.

Science · 680 words

Copenhagen researchers create first map of Milky Way neutrino flux

Copenhagen scientists have developed a 'neutrino weather map' that estimates the origin and energy distribution of particles reaching Earth from across the galaxy.

Science · 704 words

Black hole spectroscopy advances as a tool to test general relativity

Data from the GW250114 black hole merger allows scientists to map the 'ringing' of space-time, providing a test for Einstein’s general relativity. This analysis also confirms predictions such as Hawking’s area theorem.

Science · 613 words

NASA's Hubble Discovers First of Star Cluster's Missing Black Holes

Researchers confirmed a stellar-mass black hole in Omega Centauri by tracking the 94-year orbital path of a companion star using two decades of data.

Science · 631 words

Researchers observe ambipolar diffusion in prestellar core to map star birth

Scientists identified a velocity drift between ionized gas and neutral particles in a prestellar core, revealing how gravity overcomes magnetic resistance.

Science · 673 words

HKU Astronomer Joins Study Weighing Ancient Black Hole

Astronomers have successfully measured the mass of a dormant supermassive black hole in the early universe by leveraging gravitational lensing.

Science · 679 words

New Horizons data confirms solar wind slows in the outer heliosphere

New Horizons data reveals a measurable deceleration of the solar wind as it interacts with interstellar gas. This research helps clarify the heliosphere's protective boundary and its role in shielding the solar system.

Science · 620 words