Mari Bolte

The odds of us being alone in outer space are small. Maybe we've already been visited by alien life but didn't even know it. What if those life forms are still here? Jump into some of Earth's most alien mysteries and explore the signs they may have left behind. Includes 21st Century Skills and Content, sidebars, activity, table of contents, index, and glossary.

Mars is full of fascinating geological features that would make a visit an amazing experience. From Olympus Mons and Mariner Valley, to the chaos terrain and Phobos and Deimos, the Red Planet is ready to be visited, cataloged, and explored. Readers will discover what the longest-ever road trip would be like, what to expect on the planet's surface, and what potential dangers face them once they get there. Full-color photos highlight Mars's geography and landmarks. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

From millions of miles away, Mars looks like a bright red star. But it's more than just a spot in the sky Science has given us many lessons on what else exists in our solar system. Rovers, orbiters, and other spacecraft have sent back information that scientists use to bring us one step closer to landing on Mars ourselves. Full-color photos bring to life the exciting discoveries scientists have uncovered. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars and Earth share many features. Maybe one day, cities full of people will be another thing they share But how similar are the planets, really? Which features aid in supporting human life, and which will make colonization more difficult? Find out what kinds of preparations are underway to make living on Mars possible. Full-color photos give readers a look at this future vacation destination. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Everything we know about Mars's surface has come from rovers. These trusty robotic vehicles roll across the planet taking samples, testing new technology, and sending back photos for scientists to examine. Learn how the rovers got there, more about their missions, and how they function so far away from Earth. Full-color photos bring the rovers and their discoveries to life. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars is millions of miles away from where you stand. The race to get from here to there has been going on for decades. With every passing day, that journey through the stars has changed from science fiction to a scientific factual possibility. New inventions have led the way toward space exploration. What can we take with us into the future, and what will we need to leave behind on Earth? Full-color photos show the new advancements that will get us there. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars and Earth share many features. Maybe one day, cities full of people will be another thing they share But how similar are the planets, really? Which features aid in supporting human life, and which will make colonization more difficult? Find out what kinds of preparations are underway to make living on Mars possible. Full-color photos give readers a look at this future vacation destination. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars is full of fascinating geological features that would make a visit an amazing experience. From Olympus Mons and Mariner Valley, to the chaos terrain and Phobos and Deimos, the Red Planet is ready to be visited, cataloged, and explored. Readers will discover what the longest-ever road trip would be like, what to expect on the planet's surface, and what potential dangers face them once they get there. Full-color photos highlight Mars's geography and landmarks. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Everything we know about Mars's surface has come from rovers. These trusty robotic vehicles roll across the planet taking samples, testing new technology, and sending back photos for scientists to examine. Learn how the rovers got there, more about their missions, and how they function so far away from Earth. Full-color photos bring the rovers and their discoveries to life. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars may be the next addition to the list of places you can go But there are a few items that need to be taken care of before blastoff. Mars is full of extreme features that stand in the way. What kinds of technology do we have now that will guide your way? What have scientists learned from the orbiters and rovers sent there? What's the plan if something goes wrong? Full-color photos show the risks and rewards that await explorers on Mars. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

From millions of miles away, Mars looks like a bright red star. But it's more than just a spot in the sky Science has given us many lessons on what else exists in our solar system. Rovers, orbiters, and other spacecraft have sent back information that scientists use to bring us one step closer to landing on Mars ourselves. Full-color photos bring to life the exciting discoveries scientists have uncovered. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

The polar regions are very cold and very windy. There is snow and ice everywhere, but I love my home. My feet help me walk on the slippery ice, but I am not a penguin. My thick fur keeps me warm but I am not an Arctic fox. What animal am I? Read the clues and guess

Mars is millions of miles away from where you stand. The race to get from here to there has been going on for decades. With every passing day, that journey through the stars has changed from science fiction to a scientific factual possibility. New inventions have led the way toward space exploration. What can we take with us into the future, and what will we need to leave behind on Earth? Full-color photos show the new advancements that will get us there. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.