Physics, 08.08.2019 22:30 1hannacarson
One way to calculate the size and shape of the galaxy is to estimate the distances to faint stars just from their observed apparent brightnesses and to note the distance at which stars are no longer observable. the first astronomers to try this experiment did not know that starlight is dimmed by interstellar dust. their estimates of the size of the galaxy were much too small. explain why.
Answers: 3
Physics, 22.06.2019 16:40, odalysesquermon
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction. true or false?
Answers: 1
One way to calculate the size and shape of the galaxy is to estimate the distances to faint stars ju...
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