So in some ways, a voyage to Mars could be a voyage home. Our ancestors have made such bold trips before when we walked out of Africa, when we sailed over the horizon. If it is technically possible, our ships will head out again. We always want to se...
There is no room to screw up on a trip like this, mental or otherwise. Once on Mars, you are likely to be stuck there for a year or more, waiting for a window of opportunity to ride home. And unlike a robot, the hopes and fears of the whole planet wi...
It is chemically impossible for methane to survive for long in the Martian atmosphere, so it must have been released recently. Now what makes methane? Cows make methane? Probably not cows. Oh, microbes, various sorts can release methane, there are a...
If we are looking for Martian bugs, we should search for life forms at least as tough and alien as this. Im looking at Mars in a point of view of a microbe. And as a microbe, I really need very, very tiny amount of water. I could probably live my ent...
If we have been wet, then we want to look for nutrients and food sources that could support microbes. The water ice is proof of a valuable resource for any life forms still clinging(附着) beneath the surface and for future travelers. We now know th...
Astronaut: Light gray, material on either side. Oh man that's incredible... It seemed to back in the late 60s and early 70s as if America would be a space bearing nation. Plans were big, first the moo...
By Paul Thompson Broadcast: September 17, 2003 (THEME) VOICE ONE: This is Phoebe Zimmermann. VOICE TWO: And this is Richard Rael with the VOA Special English program EXPLORATIONS. The planet Mars came...
Mars Rover Finds Evidence of Ancient Sea David McAlary The U.S. space agency NASA says Mars once had a shallow, salty sea that could have supported life. The evidence has come from chemical and physic...
Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t...
Stunning 'Postcard' Sent from Mars The U.S. Spirit spacecraft has sent its first color postcard from Mars. It is the sharpest image ever taken of Mars or any other planet. The image from the color pan...
