| A | B |
|---|
| eclipse | blocking of light from one heavenly body to another |
| lunar | of the moon |
| constellation | group of stars |
| celestial | of sky,or the heavens |
| interplanetary | taking place between planets |
| asteroid | very small planets or moons that revolve around the sun |
| astronomy | the science of space |
| cosmos | the universe |
| planetarium | a spheric room which is used to study the contents of the universe |
| sunspots | dark spots on the surface of the sun |
| blackhole | the process of rebirth of an expired star |
| aurora | the display of lights that occur around the northern latitudes |
| satelite | an object that orbits around the earth or heavenly body |
| orbit | to revolve around a greater object |
| corona | a crown of glowing gases seen around the sun |
| gravity | the natural force that causes smaller objects to move towards a stronger force |
| surpernova | the explosion caused by a collapsing star |
| nebula | cloud gas and dust in space |
| quasars | very bright object in space. |
| solstice | the beginning of summer and winter |
| equinox | point in Earth's orbit when day and night are the same length |
