- 1. Alpha Centauri
- The closest bright star to our solar system.
- 2. aurora
- A glow in a planet's ionosphere caused by the interaction between the planet's magnetic field and charged particles from the Sun.
- 3. antipodal point
- The point that is directly on the opposite side of the planet; e.g., the Earth's north pole is antipodal to its south pole.
- 4. aphelion
- The point in its orbit where a planet is farthest from the Sun.
- 5. apoapsis
- The point in orbit farthest from the planet.
OLQM - Science teacher for grades 2,5, 6, 7; 8. Social Studies teacher for grades 3,4, 5,6/7. This is an informative blog to enable parents and students to take ownership of their academic endeavors. Remember you hold your future in your hand. Take charge of it.