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Red giants and brown dwarfs – an unusual friendship
Mysterious long-timescale variations in the brightness of red giant stars have puzzled astronomers for a long time. The authors of today’s paper provide evidence that these variations are caused by a tiny brown dwarf orbiting the giant star.
UR: Deciphering the mysterious population of stars in the H-alpha color-magnitude diagram
In the latest of our #UndergradResearch series, discover Jake Jensen’s work on a mysterious population of stars that appeared in a color-magnitude diagram.
UR: Effects of Post-Observation Data Processing on HST/ACS Wide Field Channel Polarimetry
In the latest of our #UndergradResearch series, discover Delondrae Carter’s work looking at what effect the charge transfer efficiency has on polarimetric data.
UR: A Search for Dark Matter with HaloSat
In the latest of our #UndergradResearch series, discover how Emily Silich used observations from the HaloSat cubesat to search for X-ray signatures of dark matter.
Where to find biosignatures on Mars? A Case for Clays
Could smectite clays be a window to bygone biota on Mars? Today’s authors reveal clues from the driest desert on Earth that strengthen the case for examining clays on Mars.
Molecular Clouds All the Way Down
Today’s paper examines if a well-known correlation between gas mass and star formation rate holds on the scale of a single molecular cloud.
Beyond astro-ph
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Navigating careers in astronomy
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