Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
ellipse
|
An elongated circle, or oval shape; the shape of the planets’ orbits.
|
|
|
geocentric
|
a description of the solar systemin which all of the plants revolve around the earth
|
|
|
inertia
|
the tendency of a moving object to continue in a strait line or a stationary object o remain in place
|
|
|
heliocentric
|
a description in which the solar system in which all of the plants revolve around the sun
|
|
|
core
|
the centrel part of the sun, where nuclear fusion occours
|
|
|
nuclear fusion
|
the process by which hydrogen atoms join together to form helium , releasing energy
|
|
|
corona
|
the outer layer of the earths atmosphere
|
|
|
photosphere
|
the inner layaer of the suns atmosphere
|
|
|
chromosphere
|
the middle layer of the suns atmosphere
|
|
|
solar wind
|
solar wind
|
|
|
sunspot
|
a dark area of gas on the sun that is cooler than the surrounding gases
|
|
|
prominence
|
a loop of gas that protudes from the suns surface, linking parts of the sunspot region
|
|
|
solar flare
|
an explosion of hydrogen gas from the suns surface that occour when loops in sunspot regions suddenly contact
|
|
|
greenhouse effect
|
the trapping of heat by a planets atmosphere
|
|
|
terrestrial plants
|
the name given to the four inner planets; mercury, veus, earth, mars
|
