Across
- 3. Term is used to measure the distance between objects found in space. It is the unit that measures the distance that light can travel in one year.
- 5. The inside of this planet is composed of ice and rock. The exterior of this planet is composed primarily of chemicals such as methane, H2O, ammonia. This planet is 7th in the solar system and is also known as the ice giant.
- 6. A composition of ice dust and gas that is in the form of an ellipse (a narrow circle). These objects orbit the sun and when it orbits closer to the sun, a tail of gas and dust follow this celestial object.
- 8. The beginning phase of a star's life. At this phase it does not yet resemble a star but it begins to form from clouds and gas. This star is also known as a baby star.
- 10. A scientific theory that defines an explosion of matter that created the universe.
- 12. A moment caught 2-5 times a year when the sun is obscured by the moon passing between it and the earth. This happens when the sun and moon are directly aligned with the earth.
- 13. A terrestrial planet composed of carbon dioxide, oxidized iron dust and rocks. This planet is known as the red planet for the colour of its appearance and is also the fourth planet in the solar system.
- 14. This gas planet is well known for the rings that are composed of millions of small particles. This planet is the fourth planet in the solar system.
Down
- 1. This is the final stage of a star's life. At this stage a huge explosion caused by massive stars burning fuel in their core. As it creates energy it puts a lot of pressure on the core causing it to crack and explode.
- 2. A small composition of matter that enters the earth's atmosphere from space in the form of a streak of light caused by them burning up when falling rapidly.
- 4. These are also known as northern lights and are caused by the interaction between the sun and the north pole’s atmosphere. It is a collision of charged particles that create a pattern of different coloured lights in the sky.
- 7. An assembly in which 8 planets and millions of celestial bodies including moons, dwarf planets and asteroids orbit the sun
- 9. This phase is the result of a low or intermediate mass star reaching its final stages of life. Once this star has exhausted the hydrogen in its core, it becomes millions of times larger than its original size. Their shell is a much lower temperature
- 11. A collection of millions of stars, dust particles, and gas that vary in shape and size. This assembly is held together by gravity and supermassive black holes can be located at the center of some larger collections.