Exam 17: The Atmosphere

The particles of interplanetary dust are called ______________.

The Moon

Which of the following is not a general feature of the Moon's surface?

The Moon revolves eastward around Earth every ______________ solar days.

Tides occur later each day because of

The Moon is on an observer's meridian about ______________ minutes later each day.

At the time of a full moon, an astronaut on the Moon looking at Earth would see a

In exactly 14 days after a full moon, one would see a

The portion of a shadow from which only part of the light is excluded by an opaque object is called the ______________.

The direction of the Moon's orbit about Earth is

When the Moon is on an observer's meridian at 9 A.M., the Moon is in the ______________ phase.

The ______________ surrounds the nucleus of a comet.

The Moon rises 50 minutes later each day because

At what longitude is an observer who sees the last-quarter moon on his meridian when it is 12:00 noon local solar time at 75°W?

Craters on the Moon are believed to have been caused by

Halley's Comet returns about every ______________ years.

Halley's Comet returns approximately every ______________ years.

The Moon's maria, or plains, are believed to have been caused by ______________.

During a solar eclipse, the umbra moves across Earth's surface generally from

Other than Earth, the only known object in the solar system to have surface water and ice is ______________.