solar apex

noun

, Astronomy.

1. the point on the celestial sphere, near Vega, toward which the solar system is moving relative to the visible stars.

solar apex

noun

1. another name for apex

Word History and Origins

Origin of solar apex¹

First recorded in 1870–75

Example Sentences

While the right ascensions of the solar apex as given by the different investigations have been pretty uniform, the declination of this point has shown a rather wide variation not yet explained.

From Project Gutenberg

By a study of the proper motions assigned by Maskelyne to the brighter stars, Herschel was able to define the position of the solar apex with an astonishing degree of accuracy.

From Project Gutenberg

Several investigations tend to show that the fainter the stars are, the greater is the declination of the solar apex.

From Project Gutenberg