Hello,everyon
[00:06.56]Today,we'll talk about another planet,Mar
[00:24.76]Mars is one of the planets in the solar syste
[00:40.96]It is the forth planet from the su
[00:54.54]It is named for the Roman god of wa
[01:09.28]because it appears fairly red in the night sky.
[01:24.58]Mars is a relatively small plane
[01:39.08]with about half the diameter of Eart
[01:53.92]The force of gravity on the surface of Mar
[02:10.38]is about one-third of that on Eart
[02:25.87]Mars has twice the diamete
[02:36.42]and twice the surface gravity of Earth.
[02:52.62]The surface area of Ma
[03:03.09]is almost exactly the sam
[03:13.28]as the surface area of the dry land on Eart |