Mars is about 1/3 the size of the Earth, as shown in this drawing.

This page is the start of the tour which compares the surfaces of Earth and Mars. In this tour we will describe and compare some features of the surfaces of both Earth and Mars. The navigation button for the tour can be found at the top of the page. You can skip ahead if you like by using the links at the bottom of this page. To proceed with the tour, just press the forward link (F) on the button at the top of the page.

Mars is much smaller than the Earth, and has no oceans, no trees or other visible forms of life on the surface. We will show in this tour, however, that Mars has many of the biggest things in the solar system; the biggest volcano, the deepest chasm, and the biggest canyon.

Introduction Mars is about 1/3 the size of the Earth, as shown in this drawing. Images courtesy of NASA

This page is the start of the tour which compares the surfaces of Earth and Mars. In this tour we will describe and compare some features of the surfaces of both Earth and Mars. Use the navigation button (that looks like a gold football) at the top right of the page to move through the tour. To go to the next page, just press the forward link (F) on the navigation button. For more information on how to use our tours, visit our tour instruction manual.

Mars is much smaller than the Earth, with a diameter 53% as large as Earth and a mass of about 11% that of our planet. It has no oceans, trees or other visible forms of life on the surface. We will show in this tour, however, that Mars has many of the biggest things in the solar system - the biggest volcano, the deepest chasm, and the biggest canyon.

Introduction Mars is about 1/3 the size of the Earth, as shown in this drawing. Images courtesy of NASA

This page is the start of the tour which compares the surfaces of Earth and Mars. In this tour we will describe and compare some features of the surfaces of both Earth and Mars. Use the navigation button (that looks like a gold football) at the top right of the page to move through the tour. To go to the next page, just press the forward link (F) on the navigation button. For more information on how to use our tours, visit our tour instruction manual.

Mars is much smaller than the Earth, and has no oceans, trees or other visible forms of life on the surface. We will show in this tour, however, that Mars has many of the biggest things in the solar system - the biggest volcano, the deepest hole in the ground, and the biggest canyon.

Introduction Mars is about 1/3 the size of the Earth, as shown in this drawing. Images courtesy of NASA

This page is the start of a tour which compares the surfaces of Earth and Mars. In this tour we will describe and compare some features of the surfaces of these planets. Use the navigation button (that looks like a gold football) at the top right of the page to move through the tour. To go to the next page, just press the forward link (F) on the navigation button. For more information on how to use our tours, visit our tour instruction manual.

Mars is much smaller than the Earth. It has no oceans, no trees or other forms of life that we can see on the surface. But Mars is still a pretty special place! You'll see that Mars has many of the biggest things in the solar system - the biggest volcano, the deepest hole in the ground, and the biggest canyon.