The brighter the star is overall, the longer the period of luminosity. Since the cepheids ... a chart of 25 cepheid periods and their apparent brightness. Using this, astronomers only needed ...

A group of stellar Sherlocks have solved the mystery of red transient objects that appear and fade in the sky, linking them ...

They discovered that the brightness changes matched a model of ... Early observations of the deployed satellites indicate that their luminosity far exceeds the guidelines established by ...

The brightness of a star fluctuates constantly, for example, because its luminosity is subject to natural fluctuations. Exoplanets can also leave traces in the light curve. If an exoplanet passes ...