Astronomy

Occurs when Earth is positioned between the moon and the sun and when Earth's shadow crosses the lighted half of the moon.

• Solar Eclipse

• Eclipse

• Lunar Eclipse

• Perigee

Which planet is closest to the sun?

• Uranus
• Mercury
• Neptune
• Earth

The GAS GIANTS or Outer planets are:

• Mercury, Earth, Jupiter, Saturn
• Saturn, Neptune, Pluto, Mars
• Saturn, Jupiter, Uranus, Neptune
• Earth, Mars, Saturn, Neptune

What part of the moon do we see from Earth?

• all of it
• the same side
• none of it
• only one quarter

What type of telescope is pictured above?

• reflective
• refracting
• Space
• radio

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

A blue shift of the light from a star indicates that the star

• will soon become a giant star

• is moving away from Earth

• will soon become a main sequence star

• is moving closer to Earth

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