Did you know that, at a certain point on a moving wheel... there's no motion? Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right?

The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...

Astronomers utilize angular measurement techniques for determining the spatial separation between celestial objects. The methodology involves measuring the angular distance or size. Angular ...

It is shown that the velocity dispersion of a large sample of stars can be determined by their distribution on the sky as a function of angular distance from the solar apex. Known or suspected M ...

You know I like to use pictures for data from time to time, right? One problem is that I don't know much about cameras. There, I said it. Really, almost all of my photos are made with my phone. That ...