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Page 241, paragraph 3, “Scientists living on Mars can study the planet up close better than rovers can.”

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“But space is without risk.NASA’s Space Shuttle Program,which was the main connection to the International Space Station,suffered two terrible losses.After the explosions of the Challenger in 1986 and Columbia in 2003” Page 277 paragraph 3.

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“All the reasons we should find some way to live away from, this planet to build space stations and Milne bases and cities on Mars and habitats on the moons of Jupiter .” Paragraph 8

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In page 279, paragraph 10 it states, “A human mission would weight much more, making landing more problematic. The previous solutions would not work for spacecraft carrying humans.”

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I could tell you that moving farther out into the solar system might be a good plan.paragraph 7

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Page 241, paragraph 3 “If they find evidence for life on Mars, whether past or present, that will tell humans were not alone in the universe.”

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“The final frontier is a vast and dangerous place, difficult and expensive to explore.” Page 280- Paragraph 12

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Paragraph 6”that does involve understanding our planet and the ways we survive on it and what things are crucial to our continuing to survive on it.”

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Page 242, paragraph 6 “The biggest danger on Mars, though, is radiation. Mars has no magnetic field to protect humans from cosmic rays, which are high energy particles from the sun and other sources.”

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Page 242, paragraph 7

“Sending stuff to Mars is very expensive”

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In Page 254 paragraph 9 in, “Humans Need to Go to Outer Space”. In the text it states, “It’s huge and dangerous, maybe impossible project”.

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Page 242 paragraph 6, “Mars has no magnetic field to protect humans from cosmic rays, which are high-energy particles from the sun and other sources.”

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“ Because it’s something human beings do. Space is , of course infinitely more hostile to human life than the surface of the sea “Page 253

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Page 242, paragraph 6, “The biggest danger on Mars, though, is radiation. Mars has no magnetic field to protect humans from cosmic rays, which are high-energy particles from the sun and other sources.”

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I could tell you that we shouldn’t keep all our eggs in this increasingly fragile basket one good mentor strike and we all join the non avian dinosaurs

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“Its atmosphere is about 100 times thinner than Earth's,' and it's 95 percent carbon dioxide”.

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Page 241, paragraph 2

“There are several reasons to create an off-planet colony”

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" page 253 voyage carefully planned their expensive&dangerous journey and many of them died trying to find out what was beyond and horizon

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“Scientists are also looking toward Mars as a potential new home for humankind. New discoveries keep emerging that raise more questions.” pg 278, paragraph 7

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“Its atmosphere is about 100 times thinner than Earth's,' and it's 95 percent carbon dioxide”.

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Page 242 paragraph 6 “the biggest danger on mars is radiation. Mars has no magnetic field to protect humans”.

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“Space is of course infinitely more hostile to human life than the surface of the sea escaping earths gravity entails a good deal more work and expense then shoving off from the shore.”

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“Page 253”,paragraph 3, “voyagers carefully planned their expensive, dangerous Journeys, and many of them died trying to find out what was beyond the horizon . So why keep doing it.”

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“Our moon contains helium-3, an element that could be useful on Earth for energy developments such as nuclear fusion research. Mining there can also yield rare-earth metals that are used in electronics and in the construction of solar panels.”

Pg. 278, paragraph 6

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But those boats were cutting edge technologies of there time voyages carefully planned there expensive dangerous Journeys and many dude trying to find out what was beyond the horizon

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Page 253 paragraph 3 voyages carefully planned their expensive dangerous journey and many do them died trying to find out what was beyond the horizon so keep doing it

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“With so much human investment made, we must go forward, fully embracing space exploration as an important priority.”

Pg. 276

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“Exploring outer space can yield new sources for precious natural resources and perhaps even a home for future generations.” pg 280, paragraph 12