The atmosphere of a new ultra hot Jupiter is analyzed

The combination of observations made with the CARMENES spectrograph on the 3.5m telescope at Calar Alto Observatory (Almería), and the HARPS-N spectrograph on the National Galileo Telescope (TNG) at the Roque de los Muchachos ...

The faint glow of cosmic hydrogen

A study published recently in Nature has revealed the presence of a hitherto undetected component of the universe—large masses of gas surrounding distant galaxies. An international team from some 10 scientific institutions ...

Jupiter-mass planet orbiting giant star discovered

(Phys.org)—An international team of astronomers has discovered a Jupiter-mass alien world circling a giant star known as HD 208897. The newly detected exoplanet was found as a result of high-precision radial velocity measurements. ...

Rare extreme helium star identified by astronomers

(Phys.org)—Astronomers have identified another rare example of an extreme helium star. The star, designated GALEX J184559.8−413827 (or J1845−4138 for short), was initially classified as a faint helium-rich "hot subdwarf," ...

New study reveals relationships between chemicals found on comets

A new study has revealed similarities and relationships between certain types of chemicals found on 30 different comets, which vary widely in their overall composition compared to one another. The research is part of ongoing ...

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