Astronomy 2 review

Compared to planet A, planet B has a

• weaker gravitational attraction to the star and a shorter period of revolution

• stronger gravitational attraction to the star and a longer period of revolution

• stronger gravitational attraction to the star and a shorter period of revolution

• weaker gravitational attraction to the star and a longer period of revolution

Compared to the orbit of the Jovian planets, the orbit of Halley's comet is

• less elliptical, with a shorter distance between its foci

• more elliptical, with a greater distance between its foci

• more elliptical, with a shorter distance between its foci

• less elliptical, with a greater distance between its foci

Which graph best represents the change in gravitational attraction between the Sun and a comet as the distance between them increases?

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The force of gravity between two objects is greatest when

• masses are small and the objects are close together

• masses are large and the objects are far apart

• masses are small and the objects are far apart

• masses are large and the objects are close together

Which motion causes the Coriolis effect on Earth?

• rotation of the Moon on its axis

• rotation of Earth on its axis

• revolution of the Moon around Earth

• revolution of Earth around the Sun

Which motion causes the observer to see different constellations at midnight on July 7 compared to midnight on January 3?

• rotation of Earth on its axis

• rotation of the stars in the constellations

• revolution of Earth in its orbit

• revolution of the constellations in their orbits

The Foucault pendulum and the Coriolis effect both provide evidence of Earth's ....

• elliptical orbit

• tilted axis

• revolution

• rotation

The deflection of prevailing winds and ocean currents in the Northem Hemisphere is called.....

• Doppler effect

• Coriolis effect

• refraction

• eccentricity

In the geocentric model, which motion would occur?

• The Sun would revolve around the Earth.

• The Earth would revolve around the Sun

• The Moon would revolve around the Sun

• Earth would rotate on its axis

This apparent change in direction of swing provides evidence that Earth

• turns on its axis

• orbits around the Sun

• is tilted on its axis

• has a spherical shape