The temporal evolution of the universe, from the Big Bang to the present, is described by Einstein’s field equations of general relativity. However, there are…
Posts published in “Astrophysics”
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Snapshots of the M87* black hole appearance, obtained through imaging / geometric modeling, and the EHT array of telescopes in 2009-2017. The diameter of all…
Illustration of memory effects on wave-matter interaction. From Fig. 1, Kozlov et al., doi: 10.1117/1.AP.2.5.056003. Credit: Kozlov et al. Remembrance of Waves Past: Memory Imprints…
Coronal magnetic field lines obtained from the PFSS model. Credit: Z.-H. Yang et al., Science (2020) The Sun is a magnetized star. Its magnetic field…
An IRAC infrared image of a filament of young star-forming cores, with the intensity of the dense gas emission overlaid in contours. New submillimeter observations…
A Southwest Research Institute scientist has identified stellar phosphorus as a probable marker in narrowing the search for life in the cosmos. Stars with phosphorus…
Asteroid 4-Vesta is the second-largest body in the asteroid belt. Uranium-lead dating and other analytical methods tell researchers which meteorites come from Vesta and also…
The Murchison Widefield Array radio telescope, a portion of which is pictured here, was used to explore hundreds of times more broadly than any previous…
Artist’s conception of a magnetar — a superdense neutron star with an extremely strong magnetic field. In this illustration, the magnetar is emitting a burst…
This image gallery of stellar winds around cool ageing stars shows a variety of morphologies, including disks, cones, and spirals. The blue colour represents material…
For the first time, an intact, Jupiter-sized, exoplanet has been discovered orbiting close to a white dwarf star. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/J. Pollard For the…
This artist’s conception portrays two neutron stars at the moment of collision. Credit: Dana Berry, SkyWorks Digital, Inc. Colliding neutron stars were touted as the…
Artist’s impression of the explosion and burst of gravitational waves emitted when a pair of superdense neutron stars collide. New observations with radio telescopes show…
Multi-frequency composite VLBA image of the galaxy TXS 0128+554, 500 million light-years from Earth. The image shows young radio jets originating near a supermassive black…
Coronal magnetic field lines obtained from the PFSS model. Credit: Z.-H. Yang et al., Science (2020) An international team led by Professor Tian Hui from…
This artist’s impression represents small-scale concentrations of dark matter in the galaxy cluster MACSJ 1206. Astronomers measured the amount of gravitational lensing caused by this…
Illustration of a carbon-rich planet with diamond and silica as main minerals. Water can convert a carbide planet into a diamond-rich planet. In the interior,…
Crews at SLAC have taken the first 3,200-megapixel images with the complete focal plane of the LSST Camera, the future “eye” of Vera C. Rubin…
Artist’s conception of waves trapped between the surface of a sunspot (lower image, taken with the GREGOR Fabry-Perot Interferometer) and the transition region (upper image,…
This Hubble Space Telescope image shows the massive galaxy cluster MACS J1206. Embedded within the cluster are the distorted images of distant background galaxies, seen…