Tag: mysterious photos of mars by NASA

NASA image shows the remains of a petrified tree on Mars

In many ways, Mars is the most Earth-like planet yet. With a past history of abundant water, erosions, volcanoes, clouds, polar caps, dunes and dry rivers, there is undoubtedly a whole geological history very similar to our own planet. With only half the diameter and a small percentage of Earth’s mass, Mars suffered a very,