It, too, is changing its position among the stars, but with a statelier mien ... As everyone knows, the apparent motion of the planets is caused by the motion of the planet about the sun combined ...

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

It aligns with the Earth’s axis, allowing the telescope to follow the apparent motion of stars and planets across the night sky. Equatorial tables are specific to a location on the Earth ...

It aligns with the Earth’s axis, allowing the telescope to follow the apparent motion of stars and planets across the night sky. Equatorial tables are specific to a location on the Earth ...

One of the brightest stars in the night sky, Sirius, for instance, has been exhibiting a discernible proper motion for more than a century. ParallaxAnother reason for the apparent changes in star ...

As of today Mars will reverse its apparent west-to-east movement in the night sky and begin moving from east-to-west against the background stars. This is called “retrograde motion” and it ...