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“#Interstellar medium of SDSS J2310 1855 explored with ALMA” Spectra of [N II]122µm in SDSS J2310 1855. Credit: Li et al., 2020. Using the ALMA Observatory, an international team of astronomers has conducted an observational campaign of interstellar medium (ISM) in a host galaxy of a high-redshift quasar known as SDSS J231038.88 185519.7 (SDSS J2310…
“#Natural starshades would help astronomers image exoplanets” This artist’s impression shows an eclipsing binary star system. Credit: ESO/L. Calçada In the past few decades, the study of extrasolar planets has grown by leaps and bounds, with the confirmation of over 4000 exoplanets. With so many planets available for study, the focus of exoplanet researchers is…
“#Hubble peeks at stellar treats” Credit: ESA/Hubble & NASA, L. Girardi Looking its best ever is the star cluster NGC 2203, here imaged by the NASA/ESA Hubble Space Telescope. Aside from its dazzling good looks, this cluster of stars contains lots of astronomical treats that have helped astronomers puzzle together the lifetimes of stars. A main-sequence…
“#Differences between discs of active and non-active galaxies detected for the first time” Image illustrating the comparison between an active spiral galaxy (orange box) and its non-active twin (blue box) Credit: Gabriel Pérez Díaz, SMM (IAC). A study led by researchers at the Instituto de Astrofísica de Canarias (IAC) comparing the discs of several pairs…
“#Machine learning finds a surprising early galaxy” HSC J1631 4426 broke the record for the lowest oxygen abundance. Credit: NAOJ/Kojima et al. New results achieved by combining big data captured by the Subaru Telescope and the power of machine learning have discovered a galaxy with an extremely low 1.6% oxygen abundance, breaking the previous record…
“#Astrophysicists observe long-theorized quantum phenomena” Planetary nebula NGC 2440’s central star, HD62166, is possibly the hottest known white dwarf star discovered yet. White dwarfs exhibit puzzling quantum phenomena: As they gain mass, they shrink in size. Credit: PIXABAY At the heart of every white dwarf star—the dense stellar object that remains after a star has…
“#ALMA finds possible sign of neutron star in supernova 1987A” Artist’s illustration of Supernova 1987A shows the dusty inner regions of the exploded star’s remnants (red), in which a neutron star might be hiding. This inner region is contrasted with the outer shell (blue), where the energy from the supernova is colliding (green) with the…
“#Stunning space butterfly captured by telescope” Credit: ESO Resembling a butterfly with its symmetrical structure, beautiful colors, and intricate patterns, this striking bubble of gas—known as NGC 2899—appears to float and flutter across the sky in this new picture from ESO’s Very Large Telescope (VLT). This object has never before been imaged in such striking…
“#Outburst of the X-ray transient MAXI J1727–203 investigated with NICER” NICER light curve of the 2018 outburst of MAXI J1727–203 in the 0.5 – 12 keV energy band. Credit: Jativa et al., 2020. Using the NICER instrument, astronomers have conducted a detailed X-ray spectral and variability study of an outburst from an X-ray transient source…
“#Researchers conduct first simultaneous imaging and spectral study on a solar fan-spine” Fig. 1 Sketch of the magnetic structures illustrating the breakout-type reconnection at the null point of the fan-spine. Credit: NAOC Fan-spine magnetic topology is favorable for the occurrence of solar flares through null-point reconnection. A research group led by Prof. Yang Shuhong from…