Red shift
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Cards (31)
- The dark bonds that appear in otherwise continuous spectrum from a black body are called
- If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be
- These have the longest wavelength and lowest frequency
- An object is moving VERY fast away from Earth would have _______ than an object that is moving very slow away from Earth
- When redshift occurs, the perceived wavelength of the wave should
- A light year is
- A light year is related to
- Waves that have the shortest wavelength and the highest frequency
- The distance between one point of a wave to the same point in the next wave
- The vast majority of galaxies in our universe are moving away from us. We know this because we observe ______ in the galaxies absorption spectra
- True or False: Every element has its own unique emission spectrum
- In the 1920s Edwin Hubble made observations of many distant galaxies and formulated Hubble's law which states that galaxies are
- When blueshift occurs, the perceived wavelength of the waveshould
- The Big Bang Theory occurred approximately how long ago?
- A red shift in the observer light from very distant galaxies suggests that the universe is
- All electromagnetic waves travel at
- Which section of the spectrum is the ONLY one we can see?
- In our expanding universe
- The majority of matter in the universe is made of which two elements that formed shortly after the Big Bang?
- If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be