| A | B |
|---|
| celestial object | a sun, a moon, a planet or any distant object visible in the sky |
| revolution | annual motion |
| celestial sphere | imaginary sphere which all objects in the sky appear |
| jovian | gaseous planets that are much larger and les dense than terrestrial plamets(all outer planets) |
| celesticial sphere | imaginary sphere on which all objects in the sky apear |
| satellite | a smaler body revolving around a larger |
| rotation | the turning of an object on its axis |
| zenith | point in the sky directly above the observer |
| revolution | the movement of the earth in its orbiut around the sun |
| terrestrial | another name for inner planets |
| auronras | a glow in the night time sky produced in the upper atmosphere by solar radiation hitting earths magnetic |
