Across
- 3. One recognisable constellation is the Southern Cross, also known as the …………......
- 4. A related but distinct subject, ……………………………, is concerned with studying the universe as a whole.
- 5. ………………………… is the belief that the position of the sun, stars and planets can affect a person's day to day activities or their personality.
- 7. An ……………………………… is a scientist who studies stars, planets, moons, comets and galaxies.
Down
- 1. A star is a massive burning ball of …………………………… gas.
- 2. Hydrogen is explosive and stars are lit up by nuclear hydrogen explosions. This reaction, called a …………………….. reaction.
- 3. A ………………………………… is a group of stars that form a recognised pattern when viewed from Earth.
- 6. Fusion reaction, converts hydrogen into …………………..and releases energy as heat, light and radiation