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10 June, 23:23

Consider again the objects you ranked by distance in Part A. Suppose each object emitted a burst of light right now. Rank the objects from left to right based on the amount of time it would take this light to reach Earth, from longest time to shortest time. 1. star on far side of Andromeda Galaxy2. star on near side of Andromeda Galaxy3. star on far side of Milky Way Galaxy4. star near center of Milky Way Galaxy5. Orion Nebula6. Alpha Centauri7. Pluto8. The Sun

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  1. 10 June, 23:37
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    Notice that light from more distant objects takes a longer time to travel to Earth. Now continue to Part C to be sure you understand the implications for what we actually see in the night sky.
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