Chapter 7 Homework

Chapter 7 Homework - Chapter 7 Fill in the Blank 2. The...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 7 Fill in the Blank 2. The planet Uranus is blue-green and virtually featureless. 3. The planet Neptune is dark blue, with white clouds and visible storm systems. 4. The overall bluish coloration of Uranus and Neptune is caused by the gas methane. 5. The main constituents of Jupiter and Saturn are rock and hydrogen. 6. Jupiter’s clouds consist of a series of light-colored zones and darker belts. 9. Saturn’s cloud layers are thicker than those of Jupiter because of Saturn’s weaker gravity. 12. Uranus’s rotation axis is almost equal to the ecliptic plane. 13. Jupiter emits about 2 times more radiation than it receives from the Sun. 14. Jupiter’s magnetic field is generated by its rapid rotation and by the element hydrogen , which becomes metallic in the interior of the planet. 15. Saturn’s excess energy emission is caused by _______. Review and Discussion 2. Why did astronomers suspect an eighth planet beyond Uranus? Because Uranus’s orbit around the sun didn’t make sense, and suggested a separate source of gravitational pull. 3. Why have the Jovian planets retained most of their original atmospheres?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Chapter 7 Homework - Chapter 7 Fill in the Blank 2. The...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online