| Term | Definition |
|---|---|
| Expanding | The Big Bang theory tells us that the universe has been and still is __________ |
| Nebula | A large cloud of dust and gas that becomes a star |
| Nuclear Fusion | The way stars produce energy |
| Milky Way | The galaxy in which our solar system exists |
| Andromeda | What is the closest spiral galaxy to our galaxy |
| Temperature | A physical property that is part of the basis for the HR Diagram |
| Spiral | The Milky Way galaxy is this type of galaxy |
| Event Horizon | The edge of a black hole |
| Constellations | Patterns of stars in the sky |
| Redshift | Evidence that the universe is expanding |
| Main Sequence | Our sun is this type of star |
| Clouds of Magellan | Two irregular galaxies that orbit our galaxy |
| Electromagnetic | _______ waves can move through the vacuum of space |
| Light years | Extremely large distances in space |
| Universe | Something that is approximately 12 to 14 billion years old |
| Yellow | The color of a medium temperature star |
| Red Giant | A star that has used up all of its hydrogen becomes larger and cooler |
| Gamma rays | The highest energy waves that come from stars |
| Luminosity | Another expression that means brightness |
| Irregular | The type of galaxy that is the smallest |
| Distance | What is measured by light-years |
| Parallax | Changing star location by earth's movement which allows us to calculate how far away they are |
| cool | The temperature of orange and red colored stars |
| Galaxy | A large group of stars held together by gravity |
| Black Hole | One possible result after a star goes supernova |
| White Dwarf | After a Red Giant star collapses slowly the very hot tiny dense star that remains |
| Steady state Theory | Theory that the universe was and always has been as it is now |
| Super nova | Giant stars that collapse quickly and explode out |
| Red | Color with the longest wavelength |
| Blue Shift | The change in light that is getting closer |
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8th grade Universe & Stars Review
8th grade Universe & Stars Review. (2018, Oct 23). Retrieved from https://artscolumbia.org/8th-grade-universe-stars-review-31994-60695/
