- Why does Mars appear to be red?
- Suppose you are planning a mission to Mars. Identify two places where you might be
able to get water on the planet.
Further Reading / Supplemental Links
- http://www.nasa.gov/worldbook/venus_worldbook.html
- http://solarsystem.nasa.gov/planetselector.cfm?Object=Mercury
- http://solarsystem.jpl.nasa.gov/planets/profile.cfm?Object=Mercury&
Display=Kids - http://mars.jpl.nasa.gov/extreme/
- http://www.google.com/mars/
- http://www.youtube.com/watch?v=U8-DTJpygyk
- http://www.youtube.com/watch?v=U8-DTJpygyk
- http://www.youtube.com/watch?v=HqFVxWfVtoo&feature=related
- http://www.youtube.com/watch?v=M-KfYEQUg2s
Vocabulary
day
The time it takes a planet to rotate once on its axis.
inner planets
The four planets inside the asteroid belt of our solar system; Mercury, Venus, Earth and
Mars.
terrestrial planets
The solid, dense, rocky planets that are like Earth.
year
The time it takes for a planet to orbit the Sun.