1. What is red shift?
- Wavelengths change and appear to turn any light source a red type color.
- Red shift is when distant planets move towards us, the wavelengths change and give off a red glow.
- When a galaxy is moving away from us and the wavelength of the light from it changes, this causes the light to become redder.
- When planets are moving away from us a high speeds, scientists use the term 'red shift' to explain at what rate it's moving away.
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Other questions in this quiz
2. What causes tectonic plates to drift?
- Ocean waves.
- Convection currents.
3. What is a light year?
- How much light is produced in a year.
- The distance that light travels in a vacuum (like space) in one year.
- The distance of light in space.
- The distance that light travels in one minute times 360.
4. Roughly how many times larger is the diameter of the Milky Way than the diameter of the sun?
- 1000 billion times bigger.
- 600 billion times bigger.
- 100 billion times bigger.
- 500 billion times bigger.
5. What type of seismic wave cannot pass through liquids?