Audience: Undergraduate

  • News
    A chromospheric resonance cavity in a sunspot mapped with seismology
    Sunspots are intense collections of magnetic fields that pierce through the Sun’s photosphere, with their signatures extending upwards into the outermost...
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    A cold wind during the discovery outburst of a black hole
    We present 12 epochs of optical spectroscopy taken across the discovery outburst of the black hole (BH) candidate MAXI J1803-298 with the Gran Telescopio...
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    A crucial test for astronomical spectrograph calibration with frequency combs
    Laser frequency combs (LFCs) are well on their way to becoming the next-generation calibration sources for precision astronomical spectroscopy. This development...
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    A dense ultra-short period sub-Earth planet transiting a nearby red dwarf star
    Ultrashort-period (USP) exoplanets have orbital periods shorter than 1 day. Precise masses and radii of USP exoplanets could provide constraints on their...
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    A distance of 13 Mpc resolves the claimed anomalies of the galaxy lacking dark matter
    The claimed detection of a diffuse galaxy lacking dark matter represents a possible challenge to our understanding of the properties of these galaxies and...
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    A dwarf irregular galaxy caught in transition
    Leo I is one of the youngest dwarf spheroidal (dSph) galaxies in the Local Group. Its relative isolation, extended and complex star formation history (SFH), and...
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    A giant exoplanet orbiting a very-low-mass star challenges planet formation models
    Surveys have shown that super-Earth and Neptune-mass exoplanets are more frequent than gas giants around low-mass stars, as predicted by the core accretion...
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    A giant interstellar bubble being grown in the Andromeda galaxy
    The combination of a white dwarf mass close to the Chandrasekhar limit (1.4 solar masses) and a fast hydrogen accretion rate (10 -7 solar masses per year) from...
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    A giant planet candidate transiting a white dwarf
    Astronomers have discovered thousands of planets outside the Solar System, most of which orbit stars that will eventually evolve into red giants and then into...