Shown following are astronomical objects at a wide range of distances from Earth

Question

Shown following are astronomical objects at a wide range of distances from Earth Rank the objects from left to right based on their distance from Earth, from farthest to nearest (Not to scale) Consider again the objects you ranked by distance in Part A, shown again here Suppose each object emitted a light signal (such as a sudden spike in brightness) right now Rank the objects from left to right based on the amount of time it would take for us here on Earth to see the light they emitted, from longest to shortest (Not to scale) Look once more at the objects you've ranked in Parts A and B, shown again here This time, rank the objects (A-H) from left to right based on how much they have aged since they emitted the light we are seeing right now in the night sky, from greatest to least.

Explanation / Answer

All three lists are the same because   furthestdistance = most time = aged most . The correct order is: . Star on far side of Andromeda Star on near side of Andromeda Star on far side of Milky Way Star near center of Milky Way Orion Nebula Alpha Centauri Pluto Sun

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