Umbra
National Institutes of Health
Papers overview
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The emergence of the magnetic field through the photosphere has multiple manifestations and sunspots are the most prominent…
Solar magnetic fields are generated in the solar interior and pop up at the solar surface to form active regions. As the magnetic…
The paper contains the result description of the photometric observations of the Moon surface during the total lunar eclipse of…
We investigate the line-of-sight velocity oscillations in the sunspot NOAA 0051 during it's disk transit. A favorable concourse…
AN article with ifcra title by H. P. Wilkins, an assiduous the moon, who recently produced a 300-in luna map appears in Sky and…