Physics, 01.10.2019 00:00 alexishenning
Every year, proxima centauri, the closest star to the sun, is observed to move 1.5 arcseconds with respect to the background stars for six months, followed by a return to its original position over the course of the next six months. how far away is proxima centauri? [diameter of earth's orbit = 2 au (astronomical units)]?
Answers: 3
Physics, 21.06.2019 17:50, absolyoshi101
Which of the following represents an upside-down image?
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Physics, 22.06.2019 09:00, carterh166
Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than
Answers: 3
Every year, proxima centauri, the closest star to the sun, is observed to move 1.5 arcseconds with r...
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