Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/23

Click to flip

23 Cards in this Set

  • Front
  • Back
astronomy
The study of the moon,stars,,and other objects in space.
axis
an imaginary line that passes through earth's center and the north and south poles ,about which earth rotates
rotation
The spinning motion of a planet about its axis.
Revolution
The movement of an object around another object.
orbit
The path of of an object as it revolves around another object in space.
Latitude
The distance north or south of the equator
solstice
The two days of the year on which the noon sun is directly overhead at either 23.5 south or 23.5 north .
equinox
The two days of the year on which neither hemisphere is tilted toward or away from the sun .
vernal equinox
The day of the year that marks the beginning of spring in the northern hemisphere.
autumnal equinox
The day of the year that marks the beginning of fall in the northern hemisphere
phase
One of the different shapes of the moon as seen from the earth .
Eclipse
an elongated circle or oval shape;the shape of the planets orbit.
Solar eclipse
The blocking of sunlight to earth that occurs when the moon is between the sun and the earth .
Umbra
The darkest part of the shadow .
Penumbra
The part of the shadow surrounding the darkest part
Lunar eclipse
The blocking of the sunlight to the moon that occurs when the earth is directly between the sun and the moon.
Tide
The daily rise and fall of earth's waters on shore.
Gravity
The attractive force between two objects;its magnitude depends on their masses and the distance between them
satellite
any object that revolves around another object in space .
Geosynchonous orbit
The orbit of satellite that revolves around earth at the same rate that earth rotates.
Telescope
A device built to study distant objects by making them appear closer.
Crater
A round pit on the moons surface
Maria
Dark flat regions on the moon's surface.