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;
24 Cards in this Set
- Front
- Back
|
A circular orbit means a planet has |
Low eccentricity |
|
|
An elliptical orbit means a planet has |
High eccentricity |
|
|
How long is a sidereal rotation period? |
23 hours and 56 minutes |
|
|
How long is a solar rotational period? |
24 hours |
|
|
Revolutionary period |
365 and a quarter days |
|
|
If a planet has the same rotational or revolutionary direction as Earth it goes in a _______ Direction. |
Prograde |
|
|
If a planet has the opposite rotational or revolutionary direction as Earth it moves in a _____ Direction. |
Retrograde |
|
|
Time in which something is closest to the Sun in its orbit. |
Perihelion |
|
|
Time in which something is farthest from the Sun in its orbit. |
Aphelion |
|
|
Terrestrial planet warm / cold? |
Warm |
|
|
Jovian gas giant planet warm / cold? |
Cold |
|
|
Terrestrial planet small / large? |
Small |
|
|
Jovian gas giant planet small / large? |
Large |
|
|
Terrestrial planet density made up of? |
Rock and iron |
|
|
Jovian gas giant planet density made up of? |
Gas and ice |
|
|
Composition of the core of a terrestrial planet |
Iron |
|
|
Composition of the core of a jovian gas giant |
Rock or ice |
|
|
Escape velocity of a terrestrial planet |
Low |
|
|
Escape velocity of a jovian gas giant planet |
High |
|
|
Terrestrial Planet atmosphere, thick or thin? |
Thin |
|
|
Jovian gas giant planet, thick or thin atmosphere? |
Thick |
|
|
Atmospheric composition of a terrestrial planet? |
Oxygen, nitrogen, carbon dioxide |
|
|
Atmospheric composition of a jovian gas giant planet? |
Hydrogen |
|
|
Terrestrial planets have a density greater than |
3.0 |
