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Physics, 22.06.2019 07:00
The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
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Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 23.06.2019 03:00
Which explanation most accurately describes convection within the ocean
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Physics, 23.06.2019 16:00
Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's not lost or used up. true or false
Answers: 2
Suppose you have a coffee mug with a circular cross section and vertical sides (uniform radius). Wha...
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