Test question 11.1

1. Test question 11.1 • Jupiter’s giant red spot is caused by • xAsteroid impacts • vA giant hurricane • xMagnetic north pole • xVoid of gas

2. Test question 11.2 • The density distribution in Jupiter’s interior is determined by • xGas supply from the Jovian volcano • xCoverage by clouds • xDense material arrives earlier than the gas • vHydrostatic equilibrium

3. Test question 11.3 • The horizontal wind streams (parallel to the equator) in Jupiter’s atmosphere are caused by • vConvection and corilois effect • xImpacting comets • xJupiter’s magnetic field • xPerturbation by Jupiter’s moons

4. Test question 11.4 • Astronomers measure the density distribution inside Saturn with • xSeismic waves • x Impacting space craft • v Space probe’s orbit near Saturn • xComposition of its atmosphere

5. Test question 11.5 • The nucleus of Saturn is mostly made of • xHydrogen gas • xHelium ocean • xIce solidified under high pressure • vMolten iron/rocky core

6. Test question 11.6 • At mid latitude on Uranus, the length of day • xAlways lasts 17 hours • xThe same side always face the Sun • vCan last up to several decades • xThe Sun is too far away to provide day light

7. Test question 11.7 • The existence of Neptune was hypothesized by Adams and LeVerre from • vIts perturbation to Uranus’ orbit • xA pale blue dot next to Uranus • xReflex motion of the Sun • xTheory of planet formation

8. Test question 11.8 • Neptune is located beyond 30 AU. The surface brightness of the Sun seen from Neptune is • xSame as on the Earth • x30 times fainter than on the Earth • vA thousand times fainter than on the Earth • x A million times fainter than on the Earth