HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

The brighter the star is overall, the longer the period of luminosity. Since the cepheids in the Magellanic Clouds were all about the same distance from Earth, Leavitt concluded that the period ...

This gives us a more correct measurement of luminosity, so we can now properly understand the characteristics of these evolved massive stars, said Healy. Stars That Live Fast And Die Young Red ...

Sirius, the Dog Star, is difficult to ignore. Ostentatiously scintillating on the southern horizon right now, the “Searing ...

within a specific luminosity range. Between June and September 2023, Swift J0243.6+6124 went into an outburst phase during which the neutron star exhibited a spin-up state and variations in its ...