Author: Anonymous

The third brightest object in the sky is

The Sun is

Other planetary systems are best detected by the Doppler shifts that change the pattern of the star’s

The Moon has how many phases as observed from the Earth

Enormous filaments of excited gas arching over the Sun’s surface and extending hundreds of thousand of kilometers outward are called

Moonquakes are believed to have caused the Moon’s

Pulverized rock is believed to make up the Moon’s

Which of the following represents the longest distance?

Craters that filled with lava then later cooled are called __________. These areas are dark spots on the moon becuase they are poor reflectors of light.

__________ is an extremely large collection of stars bound together by mutual gravitational attraction.