Term
|
Definition
| An optical illusion created when the Earth passes slower moving planets further out in orbit. It gives the apparent backwards motion of the planet against the star background. |
|
|
Term
When will the next Retrograde be?
(Flashcard written in 2017) |
|
Definition
|
|
Term
|
Definition
| The plane the planets follow around the sun. |
|
|
Term
| What does the Ecliptic pass through? |
|
Definition
| 13 constellations known as the zodiac. |
|
|
Term
| What is the Astronomical Unit? |
|
Definition
The mean average distance from the Earth to the sun (150000000Km). |
|
|
