A new moon is when the moon shares the same celestial longitude as the sun; the two bodies are said to be in conjunction.

One particularly memorable account of failure there described temperatures of twenty degrees below zero and winds that drove ...

Laura Mitchell, from the U.K., told Newsweek that she felt "a bit apprehensive that they might be territorial." ...

Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...

Abstract: Methods for measuring the coordinates of objects on a plane are described. A system of nonlinear measurement equations for the rangefinder method is obtained. Expressions for the standard ...