General English words:
- Sky.
- Star.
- Night.
- Temperature.
- Luminosity.
- Age.
- Seasons.
- Winter.
- Summer.
- Surface.
General academic vocabulary:
- Glowing.
- Differ.
- Clusters.
- Ranging.
- Patterns.
- Prominent.
- Traverse.
- Diagram.
- Kelvin degrees.
- Involve.
Discipline specific vocabulary:
- Constellations.
- Asterisms.
- Light-years.
- Y-Axis.
- Parallax.
- Orbit.
- Nuclear fusion reaction.