“The rotation period of a life-supporting planet cannot be changed by more than a few percent. If the planet takes too long to rotate, temperature differences between day and night will be too great.

On the other hand, if the planet rotates too rapidly, wind velocities will rise to catastrophic levels. A quiet day on Jupiter (rotation period of ten hours), for example, generates thousand mph winds . . .” 

In contrast to Jupiter’s 10-hour rotation, our neighbouring planet Venus rotates once every 243 days.
 

If earth’s rotation took as long, plant life would be impossible because of the extended darkness and extremes of heat and cold from such long days and nights. 

• Our amazing solar system Dr. Ross describes how other planets in our solar system play a vital role in preserving life on Earth: “Late in 1993, planetary scientists George Wetherell, of the Carnegie Institution of Washington, D.C., made an exciting discovery about our solar system.

• In observing computer simulations of our solar system, he found that without a Jupiter-sized planet positioned just where it is, Earth would be struck about a thousand times more frequently than it is already by comets and comet debris. In other words, without Jupiter, impacts such as the one that wiped out the dinosaurs would be common. “Here is how the protection system works.  See next page....