Geography, 24.04.2020 20:32 iv267829

Part A
Shown here are six galaxies, each labeled with its approximate distance from Earth. Rank the galaxies from left to right based on the amount of time it has taken their light to travel to Earth, from the longest time to the shortest time.

- 10 billion light-years
- 5 billion light-years
- 2 billion light-years
- 800 million light-years
- 230 million light-years
- 70 million light-years

Part B
Consider again the galaxies you ranked in Part A. This time, rank them from left to right based on the age of the universe at the time these galaxies emitted the light we receive from them today, from oldest (closest to today) to youngest (furthest back in time).

- 70 million light-years
- 230 million light-years
- 800 million light-years
- 2 billion light-years
- 5 billion light-years
- 10 billion light-years

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Part A
Shown here are six galaxies, each labeled with its approximate distance from Earth. Ra...