Astronomy & Seasons Review

Earth is tilted at:

• 23.5 degrees
• 45.5 degrees
• 90 degrees
• 120 degrees

The graph shows the observed water levels, in feet (ft), for a tide gauge located at Montauk, New

York, on the easternmost end of Long Island, from January 24, 2008 to noon on January 25, 2008.

What causes the water-level variation pattern shown by the graph?

• cyclic and not predictable

• noncyclic and predictable

• cyclic and predictable

• noncyclic and not predictable

Which two characteristics do all Jovian planets have

in common?

• large diameters and low densities

• large diameters and high densities

• small diameters and low densities

• small diameters and high densities

Which statement best describes the geocentric model

of our solar system?

• The Earth is located at the center of the model

• The Sun is located at the center of the model.

• All planets revolve around the Sun.

• All planets except the Earth revolve around the Sun.

Evidence that the universe is expanding is best supported by the observation that the wavelengths of light from distant galaxies are shifted toward the

• blue end of the spectrum because they are lengthened

• red end of the spectrum because they are lengthened

• red end of the spectrum because they are shortened

• blue end of the spectrum because they are shortened

Which event occurred approximately 4.6 billion years ago?

• evolution of the earliest fish

• evolution of stromatolites

• formation of the oldest known Earth rocks

• formation of Earth and our solar system

Energy is produced within a star's core by the process of

• nuclear fusion

• insolation

• conduction

• radioactive decay

Planets that are closest to the Sun are identified as

• low-density Jovian

• low-density terrestrial

• high-density terrestrial

• high-density Jovian

The best evidence of Earth's rotation is provided by the

• Moon phases and global warming

• Moon phases and Coriolis effect

• Foucault pendulum and Coriolis effect

• Foucault pendulum and global warming

A large collection of stars, dust, and gas held together by gravity is a.........

• solar systerm

• galaxy

• constellation

• astronomy