A vector is a mathematical construct that has magnitude and direction. The cross product of two vectors is a binary operation in three-dimensional space that results in a third vector that is ...
In the present situation, both Earth and Mars are moving in the same direction around the Sun, but the slower one, Mars, appears to move backwards compared to the faster one, Earth. Just an illusion. The retrograde motion of Mars â like the apparent motion of the slower car on the highway â is nothing more than an illusion.
October 17, 2007 by kishner 13 Comments. Mercury apparently moves backwards in the sky three times a year, for about 22 days at a time. During these retrograde phases, miscommunication and delays are par for the course, as this planet rules the transmission of messages, as well as local travel.emini â You have Scorpio on your 6th and Libra on your 5th. In the 6th, a coworker may bring up past wrongs which lead to a power struggle. In the 5th, your attempts to meet your kids halfway backfires. Cancer â You have Scorpio on your 5th and Libra on your 4th.