When astronauts land on Mars, their first discovery is a substance not unlike pie filling and Kate and Henry are eager to go taste some, but Grandpa, who may have some inside information, discourages them.
The First Hundred settlers on Mars have succeeded in making Mars into a green, water-rich land, but are now facing a crisis due to an impending ice-age and problems on Earth that are causing its people to seek a better life on the former desert planet.
Discusses the announcement in 1996 of the discovery of ancient life-forms on Mars, found in a meteorite on Antactica in 1984, and details the controversy that the discovery set off and its scientific and philosophical implications.
A description of Mars, the fourth planet from our sun, which includes information on the controversy over possible life on Mars, on the planet's moons, and on space probes and spacecraft which have studied it.
Hay vida en la Tierra. No hay vida en otros planetas de nuestro sistema solar. Cada planeta gira como un trompo. Un dia es una vuelta. Puedes descubrir estos datos interesantes sobre este t?pico en Los planetas. www.av2books.com (book code C764416, security question "sol".
Former astronaut and Apollo 11 moon-walker Buzz Aldrin presents the argument that the next great undertaking of NASA and the governments of the world should be to put human beings on Mars.
