Field-level inference: Unlocking the full potential of galaxy maps to explore new physics
Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...
IFLScience on MSN3 天
RIP Gaia: Revolutionary Mission That Mapped The Galaxy To Come To An End This Week
The European Space Agency’s Gaia mission has almost completely depleted the cold gas propellant that kept it spinning and ...
Gizmodo3 天
Legendary Gaia Spacecraft Maps Entire Galaxy, Promptly Retires
Image: ESA/Gaia/DPAC, Stefan Payne-Wardenaar The European Space Agency’s Gaia mission has completed one of its major charges: delivering a map of the Milky Way galaxy, comprised of trillions of ...
Phys.org12 天
Field-level inference: Unlocking the full potential of galaxy maps to explore new physics
Essentially, galaxy clustering constraints on σ 8 probe the growth of structure from the early universe (where we have precise measurements thanks to the cosmic microwave background) to late ...
University of Manchester2 年
Astronomical collaboration maps the structure of our Galaxy’s magnetic field
“We have characterised the synchrotron emission from our Galaxy with unprecedented accuracy. This radiation is the result of the emission by charged particles moving at velocities close to that of ...
Live Science25 天
The fabric of the universe is 'lopsided', huge gravitational wave mapping study finds
A new effort to map the rumblings in spacetime caused by ... an array of rapidly spinning neutron stars spread across the galaxy — show this "gravitational wave background" may be louder than ...