Читать книгу Planets and stars. The History of almost Everything - Lim Word - Страница 4

The diameter of 4, 9 thousand kilometers, (about 0.4 terrestrial), the period of revolution around its axis 58 earth days. Variations of temperatures on the surface of the planet range from minus 190 C at night to plus 430 degrees during the day. Acceleration of free fall 3.7 m. sq., 2.5 times less than on Earth. The second space velocity is 4.25 km. from.

The equatorial rotation speed is just over 3 m. Thus, here is a note to the science fiction writers, from the onset of a sizzling day, an astronaut can leave at a rapid pace. Further pictures of the planet without comment, for a long psychedelic contemplation.