Yes. These are called binary stars. Depending upon the relative mass of the stars, one could have a situation…
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Are Electron Capture Supernovae Similar to Type IIp (Core Collapse) Supernovae?
The following is extracted from the introductory information on electron-capture supernovae (ECSNe) provided in Jones etal. (2016). ECSNe are…
Intensity of Starlight on a Planet in a Globular Cluster
The stars in a globular cluster are on average about 1 light year apart, and can be as close…
What Percent of the Visible Objects Seen in the Night Sky with the Unaided Eye are Beyond our Galaxy and Solar System?
Since the unaided eye is really only sensitive to a small fraction of the stars in our Galaxy (about…
When Is Fomalhaut Visible from New Orleans Louisiana?
In fact, Fomalhaut is visible at some point every day from New Orleans, with the exact times of visibility…
Twinkling Star?
There are many atmospheric phenomena that produce “twinkling” behaviour in astronomical and human-made objects. From Austin Texas this time…