Brightness has 2 syllables and the stress is on the first syllable.
| # | Sentence | |
|---|---|---|
| 1. | The absolute brightness or magnitude of an object is the apparent brightness or magnitude it would have if it were located exactly 10 parsecs away. | |
| 2. | The apparent brightness of our Sun is much greater than that of the star Rigel in the constellation Orion because it is so close to us. However, if both objects were placed at the same distance from us, Rigel would appear much brighter than our Sun because its absolute brightness is much larger. | |
| 3. | The brightness of the sky showed that the storm had passed. | |
| 4. | The brightness of her smile always makes me feel better. | |
| 5. | He flipped the switch and threw the room into brightness. | |
| 6. | The lighting was set up to have the intensity controlled by one knob so you could produce the brightness as you want. | |
| 7. | The noonday sun beat down with dazzling brightness on the tennis court. | |
| 8. | The thickness of Saturn's rings ranges from 10 to 100 meters and the rings vary in brightness. | |
| 9. | In the 100s BC, Hipparchus, the most important Greek astronomer of his time, calculated the comparative brightness of as many as 1,000 different stars. He also calculated the Moon's distance from the Earth. | |
| 10. | At new moon, the Moon is lined up between the Earth and the Sun. We see the side of the Moon that is not being lit by the Sun. In other words, we see no Moon at all, because the brightness of the Sun outshines the dim Moon! |