This result was unexpected because no companion had been reported previously and because the star's
previously known characteristics (such as observed radial velocity variations) were incompatible with Arcturus as a binary system (R. F. Griffin, 1998).
Not exact matches
A
characteristic that sets true dunes apart from other wind - shaped bodies of sand, such as drifts and ripples
previously visited by Mars rovers, is a steep, downwind slope
known as the slip face.
It exhibits similar orbital
characteristics to the
previously known extreme bodies whose positions and movements led Sheppard and Trujillo to initially propose the influence of Planet X.
The inclusion of a select set of features from the CSS 3 Speech Module [CSS3Speech](
previously known as CSS 2.1 Aural Style Sheets [CSS2.1]-RRB- enables Authors to control further speech synthesis
characteristics.