Question

Think-tank Copy e nearest star to us, apart from the Sun, is 4.3 light years away from the Earth. One ligh ar is the distance travelled by light in one year . 360 dan 2640W How long does it take the light from this star to reach us? Calculate the distance this star is away from us in km, given that the speed of light 300 000 km/s. Why is the light year used to measure the distances between the stars and the Ear instead of kilometres? body mass index (BMI) is used to determine if a person is obese. To calculate the BMI, t 55 (kg) of the person is divided by the square of his height (m). BMI = mass (kg) height x height (mº)​

Answer 1

Answer:

The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.

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