Flashcards: Earth in Space



                                  

The age of the universe
The source of power for stars
Movement around a central axis
A system of billions of stars held together by gravity
Our galaxy
An object in orbit around a planet
The brightness of a star independent of its distance
Earth-like
Movement around another body such as a moon around a planet or a planet around a star
The currently accepted theory of the origin of the universe
The shape of virtually all orbits
The age of the earth
In the sun hydrogen is fused to produce.....
A star and its surrounding planets and moons
A change in wavelength (frequency) of EM radiation due to relative motion
The force that holds the solar system and galaxies together
If an object is moving AWAY, its light will be
If an object is moving TOWARDS us its light will be
A rocky or metalic object in orbit around the sun
A 'dirty snowball' in orbit around the sun
The amount of flattening of an ellipse (d/L)
Maximum possible eccentricity of an ellipse
The name of the geometric figure whose eccentricity is 1
The minimum possible eccentricity of an ellipse
The name of the geometric figure whose eccentricity is 0
As the distance between the foci of an ellipse increases its eccentricity.....
The sun, the moon, and the stars all appear to rise in the east and set in the west because the earth...
The deflection (change) in the path of winds or currents moving over the surface of the earth
The Coriolis effect is evidence of
Occurs when the moon comes between the sun and the earth
Occurs when the earth comes between the sun and the moon
Sun at the center
Earth at the center
What the geocentric model cannot explain
The Foucault pendulum provides evidence of
**Q36*
**Q37*
**Q38*
**Q39*
**Q40*
**Q41*
**Q42*
**Q43*
**Q44*
**Q45*
**Q46*
**Q47*
**Q48*
**Q49*
**Q50*
about 13.7 billion years
Hydrogen fusion
Rotation
Galaxy
The Milky Way
Moon
Luminosity
Terrestrial
Revolution
The Big Bang
Ellipse
4.6 billion years
Helium
Solar system
Doppler effect (shift)
Gravity
Red shifted (shifted towards the red end of the spectrum)
Blue shifted (Shifted towards the blue end of the spectrum)
Asteroid
Comet
Eccentricity
1.0 (one)
A line
0 (zero)
A circle
Increases
Rotates from west to east
Coriolis effect
The rotation of the earth
Solar eclipse
Lunar eclipse
Heliocentric model
Geocentric model
The retrograde motion of the planets
Earths rotation
**A36*
**A37*
**A38*
**A39*
**A40*
**A41*
**A42*
**A43*
**A44*
**A45*
**A46*
**A47*
**A48*
**A49*
**A50*