Students will understand the following:
1. One purpose of satellites is to transmit information.
2. Satellites have the ability to transmit information virtually in an instant.
3. Before satellite technology was developed, information took longer to reach the general public.
Students will understand the following:
1. Since the dawn of the space age in the 1960s, we have sent spacecraft to the most easily reached places in our solar system, such as Mars.
2. For exploration of celestial bodies, NASA has developed a three-phase strategy: reconnaissance, surveillance, and in-depth study.
3. Each mission to Mars has made specific discoveries and raised questions to be answered by future missions.
Students will understand the following:
1. The Hubble Space Telescope lets us see farther into space than ever before.
2. The Hubble gives us images that are thousands of years old because light travels at a finite speed across vast distances of space.
3. The Hubble could be used to search the universe for other Earthlike planets, but such exploration is expensive.
4. There are arguments for and against spending money to look for other Earthlike planets that might be thousands of light-years away.
Students will understand the following:
1. Special talents and training are required to become a rocket scientist.
2. Many other careers, as well, are involved in the space program.
Students will understand the following:
1. It is likely that some day it will be possible for humans to colonize and sustain life on other planets, especially our neighbor Mars.
2. As responsible citizens, we need to address important ethical and environmental questions before deciding whether such colonization should take place, and if so, what limitations need to be set to protect the solar system from the exploitation and pollution our own planet has suffered.
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