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  1. But since Mars' year is almost twice as long, its seasons are longer too. Because of Mars. elli ical orbit, some seasons are longer an others. (The northern hemisphere has a lonqer spring and …

  2. Mars: Facts - NASA Science

    Nov 24, 2025 · With a radius of 2,106 miles (3,390 kilometers), Mars is about half the size of Earth. If Earth were the size of a nickel, Mars would be about as big as a raspberry.

  3. Deimos - NASA Science - NASA Mars Exploration

    Nov 3, 2024 · Its craters are generally smaller than 1.6 miles (2.5 kilometers) in diameter, however, and it lacks the grooves and ridges seen on Phobos. When impacted, dust and …

  4. The Radar Imager for Mars’ Subsurface Experiment (RIMFAX), a ground-penetrating radar that will provide centimeter-scale resolution of the geologic structure of the subsurface.

  5. What information do they need to answer this question? (A scale or diameter Of Mars: 6,788 km (4,243 mil.) HOW might they get this information? Have students determine a scale and use it …

  6. Students will construct a scale model of the Earth–Moon–Mars system in terms of planetary size and dis- tance. In addition, students will make a scale model of Mars relative to Earth, and …

  7. Calculate how many minutes after Mars rise you are looking for Mars, divide by 45 minutes, and you will know how many “fist- widths” above the horizon you should look.

  8. Prove powered flight in the thin atmosphere of Mars. The Red Planet has lower gravity (about one-third that of Earth) but its atmosphere is just 1% as thick, making it much harder to …

  9. Mars - NASA Science

    Nov 24, 2025 · Earth-Mars Comparison: This composite image, from NASA Galileo and Mars Global Survey orbiters, of Earth and Mars was created to allow viewers to gain a better …

  10. Learn About Me: Curiosity - NASA Mars Exploration

    This information helps shape future human missions to Mars by letting us know how much shielding from radiation future Mars astronauts will need to protect them.