(a) How long does it take a radio signal to travel 150 km from a transmitter to a receiving antenna (b) We see a full Moon by reflected sunlight how much earlier did the light that enters our eye leave the Sun The Earth Moon and Earth Sun distances are 3 8 x 105 km and 1 5 x 108 km, respectively (c) What is the round trip travel time for light between Earth and a spaceship orbiting Saturn, 1 3 x 109 km distant (d) The Crab nebula, which is about 6500 light years (l y) distant, is thought to be the result of a supernova explosion recorded by Chinese astronomers in A D 1054 In approximately what year did the explosion actually occur

Question: (a) How long does it take a radio signal to travel 150 km from a transmitter to a receiving antenna? (b) We see a full

(a) How long does it take a radio signal to travel 150 km from a transmitter to a receiving antenna?

(b) We see a full Moon by reflected sunlight how much earlier did the light that enters our eye leave the Sun? The Earth-Moon and Earth-Sun distances are 3.8 x 105 km and 1.5 x 108 km, respectively.

(d) The Crab nebula, which is about 6500 light-years (l y) distant, is thought to be the result of a supernova explosion recorded by Chinese astronomers in A.D. 1054. In approximately what year did the explosion actually occur?

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