MY VOCAB PRACTICE

1. Heliocentric
   It was Nicolas Copernicus who formulated the first model of the Universe that placed the Sun rather than the Earth as the center of the Universe, stating the first heliocentric theory.
2. Heliotropism
   Sometimes in school, the teacher tells students to make a labyrinth inside of a shoe box with a hole on one side and to grow a bean sprout inside to teach them about heliotropism and the importance of the Sun.
3. Helium
   The planet Jupiter is formed by 88–92% hydrogen and 8–12% helium by percent volume.
4. Heliolatry
   The heliolatry beliefs started with the Greek mythology, where it was said that there was a God and personification of the Sun named Helios.