Question

pick a planet. any planet... unless you want to be correct! your choices: mercury, venus, earth, mars, jupiter, saturn, uranus, neptune and dwarf planet pluto. 15. its length of day is about 9 hours, 50 minutes earth time. 16. its diameter is 6,794 km. 17. one orbit takes 29.5 earth years. 18. its the planet closest in size to the earth. 19. apart from a few wispy clouds, its exterior is almost entirely featureless... apart from its greenish color. 20. its moon triton is covered with nitrogen and methane frost. it has a retrograde orbit, it is larger than pluto, and is the coldest place known in the solar system -235 degrees celsius or -391 degrees fahrenheit. 21. its the smallest planet of all 9 planets. 22. name one of the two planets that have more than 30 moons? 23. each pole on this planet experiences about 30 days of total darkness and 30 days of total light each year.

Explanation:

1. Jupiter has a day - length of about 9 hours 50 minutes in Earth time.
2. Mercury has a diameter of 4880 km, Mars has a diameter of 6794 km. So the answer is Mars.
3. Saturn takes about 29.5 Earth - years to complete one orbit.
4. Venus is the planet closest in size to Earth.
5. Uranus has a greenish color and an almost featureless exterior apart from a few wisps of clouds.
6. Neptune's moon Triton is covered with nitrogen and methane frost, has a retrograde orbit, is larger than Pluto, and is the coldest place in the solar system.
7. Mercury is the smallest planet among the 9 (including Pluto).
8. Jupiter and Saturn are the two planets with more than 30 moons. You can choose either Jupiter or Saturn.
9. Uranus has extreme seasonal changes with each pole experiencing about 30 days of total darkness and 30 days of total light each year.

Answer:

1. Jupiter
2. Mars
3. Saturn
4. Venus
5. Uranus
6. Neptune
7. Mercury
8. Jupiter or Saturn
9. Uranus