News
Low-frequency gravity waves in blue supergiants
Almost all massive stars explode as supernovae and form a black hole or neutron star. The remnant mass and the impact of the chemical yield on subsequent star...
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NewsM 2-9: a space lighthouse.The Butterfly Nebula (Minkowski 2-9) is an outstanding example of a highly collimated outflow from an evolved star. The formation of these extreme nebular...
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NewsM43, the little sister of the Orion Nebula.We have selected the Galactic HII region M43, a close-by apparently spherical nebula ionized by a single star (HD37061, B0.5V) to investigate several topics of...
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NewsMagnetic bright points in the quiet Sun.We present a visual determination of the number of bright points (BPs) existing in the quiet Sun, which are structures thought to trace intense kG magnetic...
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NewsMagnetic fields and the outer rotation curve of M31.Recent observations of the rotation curve of M31 show a rise of the outer part that cannot be understood in terms of standard dark matter models or...
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NewsMapping solar magnetic fields from the photosphere to the coronaThe solar chromosphere is the region between the relatively thin and cold photosphere (temperature of a few thousand degrees) and the hot and extended corona...
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NewsMapping the hidden magnetic field of the quiet SunThe Sun is the only star where we can resolve the intricate magnetism that all convective stars harbor. Yet, more than 99% of its visible surface along the...
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NewsMapping the Magnetic Field in the Chromosphere of Solar Active RegionsThe magnetic field in the solar chromosphere plays a key role in the heating of the outer solar atmosphere and in the build-up and sudden release of energy in...
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NewsMassive collision in the planetary system Kepler 107Recently, astrophysicists have studied the configuration of a planetary system (Kepler 107) discovered with the NASA Kepler mission, which was looking for...